chore: bump validator

Author: RostiMelk

.github/workflows/validate.yml

@@ -7,6 +7,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Validate Sanity Template
-        uses: sanity-io/template-validator@v1
+        uses: sanity-io/template-validator@v2
         with:
           repository: ${{ github.repository }}