update static analysis to php 8.1

Signed-off-by: dartcafe <github@dartcafe.de>

.github/workflows/static-analysis.yml

@@ -8,11 +8,11 @@ on:
       - stable*
 
 jobs:
-  psalm:
+  psalm-22:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ocp-version: [ 'dev-master', 'dev-stable22' ]
+        ocp-version: [ 'dev-stable22' ]
         php-versions: ['7.4', '8.0']
 
     name: Psalm
@@ -31,3 +31,27 @@ jobs:
 
       - name: Run coding standards check
         run: composer run psalm
+
+  psalm-master:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ocp-version: [ 'dev-master']
+        php-versions: ['7.4', '8.0', '8.1']
+
+    name: Psalm
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Setup composer and PHP
+        uses: ./.github/actions/setup-composer
+        with:
+          php-version: ${{ matrix.php-versions }}
+          php-tools: composer, psalm
+
+      - name: Install Nextcloud API
+        run: composer require --dev christophwurst/nextcloud:${{ matrix.ocp-version }}
+
+      - name: Run coding standards check
+        run: composer run psalm