chore(changeset): set base branch to master (#414)

* chore(changeset): set base branch to `master`

The repository does not have a `main` branch as of now.

* Delete smart-bugs-study.md

---------

Co-authored-by: Yosuke Ota <[email protected]>

Author: dargmuesli

.changeset/config.json

@@ -8,7 +8,7 @@
   ],
   "commit": false,
   "linked": [],
-  "baseBranch": "main",
+  "baseBranch": "master",
   "updateInternalDependencies": "patch",
   "bumpVersionsWithWorkspaceProtocolOnly": true,
   "ignore": []