ci: fix renovate PRs for toolbox versions (gemini-cli-extensions#52)

Co-authored-by: Averi Kitsch <akitsch@google.com>

Author: twishabansal

.github/renovate.json5

@@ -20,6 +20,10 @@
       ],
       pinDigests: true,
     },
+    {
+      matchPackageNames: ['googleapis/genai-toolbox'],
+      'semanticCommitType': 'feat'
+    }
   ],
   customManagers: [
     {