Update rinchsan/renovate-config-validator action to v0.2.0 (#8)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/validate.yml

@@ -12,4 +12,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: rinchsan/renovate-config-validator@v0.0.12
+      - uses: rinchsan/renovate-config-validator@v0.2.0