chore(deps): update actions/setup-go action to v6 (#218)

Co-authored-by: botty-mcbottington[bot] <168950816+botty-mcbottington[bot]@users.noreply.github.com>

Author: botty-mcbottington[bot]

.github/workflows/validate.yaml

@@ -21,7 +21,7 @@ jobs:
           fetch-depth: 2
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: stable
 
@@ -52,7 +52,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: stable