Remove duplicate set, add mysql.

.github/workflows/sonarcloud.yml

@@ -34,12 +34,8 @@ jobs:
           --health-retries=3
 
     steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
@@ -55,6 +51,7 @@ jobs:
             iconv
             intl
             json
+            mysql
             mbstring
             openssl
             pdo