Fix codeql scanning by specifying go 1.21.x

Author: davepgreene

.github/workflows/codeql-analysis.yml

@@ -16,21 +16,19 @@ jobs:
       actions: read
       contents: read
       security-events: write
-
     strategy:
       fail-fast: false
-      matrix:
-        language: [ 'go' ]
-
     steps:
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: 1.21.x
     - name: Checkout repository
       uses: actions/checkout@v4
-
-    # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
       with:
-        languages: ${{ matrix.language }}
+        languages: go
     - name: Autobuild
       uses: github/codeql-action/autobuild@v3
     - name: Perform CodeQL Analysis