ci: only build debian images

.forgejo/workflows/ci.yml

@@ -8,7 +8,7 @@ env:
 
 jobs:
   pre-run:
-    runs-on: runner-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: https://forge.karnov.club/marc/push-status-to-discord-action@main
         with:
@@ -17,10 +17,10 @@ jobs:
           init: true
   build-images:
     needs: [pre-run]
-    runs-on: runner-latest
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        image-name: ['ubuntu-2204', 'debian-12.6-slim']
+        image-name: ['debian-12.6-slim']
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -44,7 +44,7 @@ jobs:
           podman push ${{ steps.image-metadata.outputs.full-image-name }} ${{ env.REGISTRY_ENDPOINT }}/forge-runners/${{ steps.image-metadata.outputs.full-image-name }}
           podman push ${{ steps.image-metadata.outputs.full-image-name }} ${{ env.REGISTRY_ENDPOINT }}/forge-runners/${{ matrix.image-name }}:latest
   post-run:
-    runs-on: runner-latest
+    runs-on: ubuntu-latest
     needs: [build-images]
     steps:
       - uses: https://forge.karnov.club/marc/push-status-to-discord-action@main