ci(*): Use ubuntu latest

Author: julienloizelet

.github/workflows/php-sdk-development-tests.yml

@@ -74,7 +74,7 @@ jobs:
         php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3", "8.4"]
 
     name: Test suite
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     if: ${{ !contains(github.event.head_commit.message, 'chore(') }}
     env:
       EXTENSION_PATH: "my-code/crowdsec-bouncer-lib"