chore(actions): update actions/setup-go action to v4 (#13)

Author: renovate[bot]

.github/workflows/publish-scaffold.yaml

@@ -17,7 +17,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Setup go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v4
       with:
         go-version-file: 'go.mod'
 

.github/workflows/run-tests.yaml

@@ -52,7 +52,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Setup go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v4
       with:
         go-version-file: 'go.mod'