Update actions/setup-go action to v5

Author: bst27

.github/workflows/go.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
 
     - name: Set up Go 1.x
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5
       with:
         go-version: ^1.15
       id: go