Fix for psalm

Author: paulbalandan

.github/workflows/test-psalm.yml

@@ -24,7 +24,12 @@ jobs:
   build:
     name: Psalm Analysis
     runs-on: ubuntu-latest
-    if: (! contains(github.event.head_commit.message, '[ci skip]'))
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - '8.1'
 
     steps:
       - name: Checkout base branch for PR
@@ -39,7 +44,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: ${{ matrix.php-version }}
           extensions: intl, json, mbstring, xml, mysqli, oci8, pgsql, sqlsrv, sqlite3
           coverage: none
         env:
@@ -66,7 +71,9 @@ jobs:
           restore-keys: ${{ runner.os }}-psalm-
 
       - name: Install dependencies
-        run: composer update --ansi --no-interaction
+        run: |
+          composer require sebastian/diff:^5.0 --working-dir utils
+          composer update --ansi --no-interaction
 
       - name: Run Psalm analysis
         run: utils/vendor/bin/psalm