chore(deps): update actions/setup-go action to v4 (#236)

Author: renovate-bot

.github/workflows/conformance.yml

@@ -28,7 +28,7 @@ jobs:
       run: python -m pip install -e .
 
     - name: Setup Go
-      uses: actions/setup-go@bfdd3570ce990073878bf10f6b2d79082de49492 # v2.2.0
+      uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
       with:
         go-version: '1.16'