ci(test): thin out E2E matrix

Signed-off-by: Christoph Wurst <1374172+ChristophWurst@users.noreply.github.com>

Author: ChristophWurst

.github/workflows/test.yml

@@ -177,14 +177,15 @@ jobs:
     needs: node-version
     strategy:
       matrix:
-        php-version: [ '8.1', '8.2', '8.3', '8.4' ]
-        nextcloud-version: [ 'master', 'stable32', 'stable31']
+        php-version: [ '8.1', '8.2', '8.4', '8.5' ]
+        nextcloud-version: [ 'master']
         include:
           - php-version: '8.5'
-            nextcloud-version: 'master'
-        exclude:
+            nextcloud-version: 'stable33'
+          - php-version: '8.3'
+            nextcloud-version: 'stable32'
           - php-version: '8.1'
-            nextcloud-version: 'master'
+            nextcloud-version: 'stable31'
 
     steps:
       - name: Set up Nextcloud env