chore(deps): update actions/setup-go action to v4 (#193)

Author: renovate-bot

.github/workflows/conformance.yaml

@@ -32,7 +32,7 @@ jobs:
         java-version: ${{ matrix.java }}
 
     - name: Setup Go
-      uses: actions/setup-go@bfdd3570ce990073878bf10f6b2d79082de49492 # v2.2.0
+      uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
       with:
         go-version: '1.16'