ci: switch to any github runner again

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

Author: blizzz

.github/workflows/integration.yml

@@ -34,7 +34,7 @@ jobs:
               - 'composer.lock'
 
   integration:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     strategy:
       fail-fast: false

.github/workflows/phpunit-oci.yml

@@ -56,7 +56,7 @@ jobs:
               - 'composer.lock'
 
   phpunit-oci:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     needs: [changes, matrix]
     if: needs.changes.outputs.src != 'false'