Nix: Remove support for ghc-8.10

[sgillespie]

Description

Add your description here, if it fixes a particular issue please provide a link to the issue.

Checklist

• Commit sequence broadly makes sense
• Commits have useful messages
• New tests are added if needed and existing tests are updated
• Any changes are noted in the changelog
• Code is formatted with fourmolu on version 0.10.1.0 (which can be run with scripts/fourmolize.sh)
• Self-reviewed the diff

Migrations

• The pr causes a breaking change of type a,b or c
• If there is a breaking change, the pr includes a database migration and/or a fix process for old values, so that upgrade is possible
• Resyncing and running the migrations provided will result in the same database semantically

If there is a breaking change, especially a big one, please add a justification here. Please elaborate
more what the migration achieves, what it cannot achieve or why a migration is not possible.

[sgillespie]

Static build of postgresql-libpq is broken with:

error: /nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: warning: ld-linux-x86-64.so.2, needed by /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6, not found (try using -rpath or -rpath-link)
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__libc_stack_end@GLIBC_2.2.5'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_catch_exception@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_audit_symbind_alt@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_audit_preinit@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_find_dso_for_object@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_deallocate_tls@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__rseq_size@GLIBC_2.35'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_fatal_printf@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_allocate_tls_init@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_rtld_global@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__tunable_is_initialized@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_argv@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__nptl_change_stack_perm@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_signal_error@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__tunable_get_val@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_rtld_global_ro@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_rtld_di_serinfo@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_signal_exception@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `_dl_allocate_tls@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__libc_enable_secure@GLIBC_PRIVATE'
/nix/store/k96hwk5kchszhh9ckhmdb2z27sy2iy85-x86_64-unknown-linux-musl-binutils-2.44/bin/x86_64-unknown-linux-musl-ld: /nix/store/g3s0z9r7m1lsfxdk8bj88nw8k8q3dmmg-glibc-2.40-66/lib/libc.so.6: undefined reference to `__tls_get_addr@GLIBC_2.3'
collect2: error: ld returned 1 exit status

To reproduce, run: nix build .\#cardano-db-sync-linux