Merge pull request #8792 from rabbitmq/mergify/bp/v3.10.x/pr-8791

Explicitly set HOME in `elixir_build` rule (backport #8788) (backport #8789) (backport #8791)

Author: michaelklishin

bazel/elixir/elixir_build.bzl

@@ -64,6 +64,7 @@ fi
 {maybe_install_erlang}
 
 export PATH="{erlang_home}"/bin:${{PATH}}
+export HOME="$(mktemp -d)"
 
 ABS_BUILD_DIR=$PWD/{build_path}
 ABS_RELEASE_DIR=$PWD/{release_path}