codeql: also include the Go code

It is not distributed by us, but oh well, for good measure let's just
scan it just in case somebody points out that there is Go code in the
repository and we don't scan it.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

.github/workflows/codeql.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: ["cpp", "javascript"]
+        language: ["cpp", "javascript", "go"]
 
     steps:
       - name: Checkout repository
@@ -29,7 +29,10 @@ jobs:
         env:
           jobname: codeql
 
-      # Initializes the CodeQL tools for scanning.
+      - uses: actions/setup-go@v5
+        if: matrix.language == 'go'
+
+        # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:
@@ -42,6 +45,14 @@ jobs:
           cat /proc/cpuinfo
           make -j$(nproc)
 
+      - name: Build (Go)
+        if: matrix.language == 'go'
+        run: |
+          cat /proc/cpuinfo
+          cd contrib/persistent-https &&
+          go mod init git-remote-persistent-https &&
+          make -j$(nproc)
+
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3
         with: