chore: use Ubuntu 22.04

Author: vmx

.github/workflows/ci.yml

@@ -31,15 +31,15 @@ jobs:
             rust: nightly
             arch: aarch64
 
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: uraimo/run-on-arch-action@v2
         name: Run commands
         id: runcmd
         with:
           arch: aarch64
-          distro: ubuntu24.04
+          distro: ubuntu22.04
 
           # Not required, but speeds up builds by storing container images in
           # a GitHub package registry.