Update go mod validation workflow to work with latest action

Author: chainchad

.github/workflows/go-mod-validation.yml

@@ -14,4 +14,4 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Validate go.mod
-        uses: smartcontractkit/.github/apps/go-mod-validator@go-mod-validator/v1
+        uses: smartcontractkit/.github/apps/go-mod-validator@dx-2266/go-mod-validator-fix # TODO