[PROD](renovate) Update overtrue/phplint action to v6.0.4

Author: renovate[bot]

.github/workflows/actions.yml

@@ -38,7 +38,7 @@ jobs:
           exclude: 'vendor,tests'
 
       - name: Check PHP syntax errors
-        uses: overtrue/[email protected].0
+        uses: overtrue/[email protected].4
 
       - name: DevSkim
         uses: microsoft/DevSkim-Action@v1