Update actions/setup-go action to v6.1.0

Author: renovate[bot]

.github/workflows/build.yaml

@@ -40,7 +40,7 @@ jobs:
           cache-dependency-path: 'antora/package-lock.json'
 
       - name: Setup Go environment
-        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
+        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
           go-version-file: website/go.mod
           cache: true