chore: Upper bound file deps change has chore type (googleapis#3949)

Update to the `chore:` type so it doesn't show up in the release notes

Author: lqiu96

renovate.json

@@ -221,6 +221,7 @@
       "matchManagers": [
         "regex"
       ],
+      "semanticCommitType": "chore",
       "matchFileNames": ["dependencies.txt"],
       "matchDatasources": ["maven"],
       "groupName": "Upper Bound Dependencies File",