Unrolled build for rust-lang#135878

Rollup merge of rust-lang#135878 - marcoieni:dist-aarch64-linux-8c, r=Kobzol

ci: use 8 core arm runner for dist-aarch64-linux

try-job: dist-aarch64-linux

src/ci/github-actions/jobs.yml

@@ -52,6 +52,8 @@ runners:
     free_disk: true
     os: ubuntu-22.04-arm
 
+  - &job-aarch64-linux-8c
+    os: ubuntu-22.04-arm64-8core-32gb
 envs:
   env-x86_64-apple-tests: &env-x86_64-apple-tests
     SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc -- --exact
@@ -144,7 +146,7 @@ auto:
   - name: dist-aarch64-linux
     env:
       CODEGEN_BACKENDS: llvm,cranelift
-    <<: *job-aarch64-linux
+    <<: *job-aarch64-linux-8c
 
   - name: dist-android
     <<: *job-linux-4c