Auto merge of rust-lang#136647 - marcoieni:ubuntu-22-free-runner-arm, r=Kobzol

ci: use ubuntu 22 for free arm runners

try-job: aarch64-gnu
try-job: aarch64-gnu-debug

Author: bors

src/ci/github-actions/jobs.yml

@@ -50,7 +50,7 @@ runners:
   - &job-aarch64-linux
     # Free some disk space to avoid running out of space during the build.
     free_disk: true
-    os: ubuntu-24.04-arm
+    os: ubuntu-22.04-arm
 
   - &job-aarch64-linux-8c
     os: ubuntu-22.04-arm64-8core-32gb