disable cache for psalm github action

Author: wakebit

.github/workflows/psalm.yml

@@ -30,4 +30,4 @@ jobs:
         uses: ramsey/composer-install@v2
 
       - name: Run Psalm
-        run: ./vendor/bin/psalm --no-progress --shepherd --show-info=false --stats
+        run: ./vendor/bin/psalm --no-progress --shepherd --show-info=false --stats --no-cache