run pytests/benchmarks as final command in step to not ignore exit code

Author: davidhewitt

.github/workflows/ci.yml

@@ -476,7 +476,9 @@ jobs:
           pip install -r tests/requirements.txt
           pip install pydantic-core --no-index --no-deps --find-links pgo-wheel --force-reinstall
           pytest tests/benchmarks
-          rustup run stable bash -c 'echo LLVM_PROFDATA=$RUSTUP_HOME/toolchains/$RUSTUP_TOOLCHAIN/lib/rustlib/${{ env.RUST_HOST }}/bin/llvm-profdata >> "$GITHUB_ENV"'
+
+      - name: deduce llvm-profdata location
+        run: rustup run stable bash -c 'echo LLVM_PROFDATA=$RUSTUP_HOME/toolchains/$RUSTUP_TOOLCHAIN/lib/rustlib/${{ env.RUST_HOST }}/bin/llvm-profdata >> "$GITHUB_ENV"'
 
       - name: merge pgo data
         run: ${{ env.LLVM_PROFDATA }} merge -o ${{ github.workspace }}/merged.profdata ${{ github.workspace }}/profdata