chore(ci): switch to github provided arm64 runners.

Signed-off-by: Federico Di Pierro <nierro92@gmail.com>

Author: FedeDP

.github/workflows/reusable_build_push_images.yml

@@ -29,7 +29,7 @@ on:
 
 jobs:
   build-images:
-    runs-on: ${{ (inputs.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-latest' }}
+    runs-on: ${{ (inputs.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     env:
       GIT_BRANCH: ${{ inputs.branch }}
       GIT_TAG: ${{ inputs.tag }}

.github/workflows/reusable_build_test_driverkit.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   build-test:
     # See https://github.com/actions/runner/issues/409#issuecomment-1158849936
-    runs-on: ${{ (inputs.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-latest' }}
+    runs-on: ${{ (inputs.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4.2.2