Bump @rollup/plugin-typescript from 8.5.0 to 12.1.1

Bumps [@rollup/plugin-typescript](https://github.com/rollup/plugins/tree/HEAD/packages/typescript) from 8.5.0 to 12.1.1.
- [Changelog](https://github.com/rollup/plugins/blob/master/packages/typescript/CHANGELOG.md)
- [Commits](https://github.com/rollup/plugins/commits/typescript-v12.1.1/packages/typescript)

---
updated-dependencies:
- dependency-name: "@rollup/plugin-typescript"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -70,7 +70,7 @@
     "@primer/css": "21.5.0",
     "@primer/stylelint-config": "^13.1.1",
     "@rollup/plugin-node-resolve": "^15.2.3",
-    "@rollup/plugin-typescript": "^8.3.3",
+    "@rollup/plugin-typescript": "^12.1.1",
     "@typescript-eslint/eslint-plugin": "^7.0.1",
     "@typescript-eslint/parser": "^7.0.1",
     "axe-core": "^4.7.1",