Update actions/setup-go action to v5

Author: renovate[bot]

.github/workflows/ddnsb0t.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Set up Go 1.16
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v5
       with:
         go-version: 1.16
       id: go

.github/workflows/function.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
 
     - name: Set up Go 1.16
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v5
       with:
         go-version: 1.16
       id: go