Run tests against proper stable version

Signed-off-by: Julius Härtl <jus@bitgrid.net>

.github/workflows/integration.yml

@@ -19,7 +19,7 @@ jobs:
       matrix:
         php-versions: ['7.4']
         databases: ['sqlite', 'mysql', 'pgsql']
-        server-versions: ['master']
+        server-versions: ['stable21']
 
     name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}
 

.github/workflows/phpunit.yml

@@ -20,7 +20,7 @@ jobs:
       matrix:
         php-versions: ['7.3', '7.4']
         databases: ['sqlite', 'mysql', 'pgsql']
-        server-versions: ['master']
+        server-versions: ['stable21']
 
     name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}
 

.github/workflows/static-analysis.yml

@@ -12,7 +12,7 @@ jobs:
       runs-on: ubuntu-latest
       strategy:
           matrix:
-              ocp-version: [ 'dev-master' ]
+              ocp-version: [ 'dev-stable21' ]
       name: Nextcloud ${{ matrix.ocp-version }}
       steps:
           - name: Checkout