ci: bump changesets/action from 1.9.0 to 2.1.1

Bumps [changesets/action](https://github.com/changesets/action) from 1.9.0 to 2.1.1.
- [Release notes](https://github.com/changesets/action/releases)
- [Changelog](https://github.com/changesets/action/blob/main/CHANGELOG.md)
- [Commits](changesets/action@a45c4d5...8488615)

---
updated-dependencies:
- dependency-name: changesets/action
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -52,7 +52,7 @@ jobs:
       # Publishing to npm is intentionally disabled — uncomment `publish:`
       # and add the NPM_TOKEN secret if/when packages are published.
       - name: Create release PR
-        uses: changesets/action@a45c4d594aa4e2c509dc14a9f2b3b67ba3780d0d # v1
+        uses: changesets/action@8488615a623b1b9c987934bb89eae8af6a946ac1 # v1
         with:
           version: pnpm exec changeset version
           commit: "chore: version packages"