chore: update workflows from templates

Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>

.github/workflows/phpunit-mysql.yml

@@ -3,15 +3,9 @@
 # https://github.com/nextcloud/.github
 # https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
 
-name: PHPUnit mysql
+name: PHPUnit MySQL
 
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-      - master
-      - stable*
+on: pull_request
 
 permissions:
   contents: read
@@ -55,10 +49,13 @@ jobs:
       matrix:
         php-versions: ['8.0', '8.1', '8.2', '8.3']
         server-versions: ['master']
+        mysql-versions: ['8.1']
+
+    name: MySQL ${{ matrix.mysql-versions }} PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
     services:
       mysql:
-        image: ghcr.io/nextcloud/continuous-integration-mariadb-10.6:latest
+        image: ghcr.io/nextcloud/continuous-integration-mysql-${{ matrix.mysql-versions }}:latest
         ports:
           - 4444:3306/tcp
         env:
@@ -84,7 +81,7 @@ jobs:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@e8cd65f444039503a75cf4057d55442fc4316f78 # v2
+        uses: shivammathur/setup-php@e6f75134d35752277f093989e72e140eaa222f35 # v2
         with:
           php-version: ${{ matrix.php-versions }}
           # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation