Update README.md

Author: leftrightleft

README.md

@@ -57,7 +57,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
@@ -71,6 +71,8 @@ jobs:
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v2
+      with:
+        category: "/language:${{matrix.language}}"
 ```      
 ## License