Update actions/setup-go digest to c4c1141

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/go-tests.yaml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Set up Go
-        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491
+        uses: actions/setup-go@c4c114188661c0fa735e5b938764519fc6e8efa9
         with:
           go-version: ${{ env.GO_VERSION }}