chore: update release-please-config.json (#1541)

* chore: update release-please-config.json

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: sofisl

release-please-config.json

@@ -7,9 +7,10 @@
   "draft": false,
   "prerelease": false,
   "packages": {
-    "gax": {},
+    "gax": {
+      "include-component-in-tag": false
+    },
     "tools": {}
   },
-  "include-component-in-tag": false,
   "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json"
 }