chore(repo): Pin renovate config validator version (#8580)

Author: dominic-clerk

.github/workflows/validate-renovate-config.yml

@@ -16,14 +16,5 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
-      - name: Setup
-        id: config
-        uses: ./.github/actions/init
-        with:
-          cache-enabled: true
-          turbo-signature: ${{ secrets.TURBO_REMOTE_CACHE_SIGNATURE_KEY }}
-          turbo-team: ${{ vars.TURBO_TEAM }}
-          turbo-token: ${{ secrets.TURBO_TOKEN }}
-
       - name: Validate Renovate Config
-        run: npx --yes --package renovate@latest renovate-config-validator
+        run: npx --yes --package renovate@43.150.0 renovate-config-validator