Bump ts-jest from 29.3.1 to 29.3.4 in /frontend

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 29.3.1 to 29.3.4.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/kulshekhar/ts-jest/compare/v29.3.1...v29.3.4)

---
updated-dependencies:
- dependency-name: ts-jest
  dependency-version: 29.3.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

frontend/obsidian-plugin/package.json

@@ -27,7 +27,7 @@
 		"sass-loader": "^16.0.5",
 		"sync-client": "file:../sync-client",
 		"terser-webpack-plugin": "^5.3.14",
-		"ts-jest": "^29.3.1",
+		"ts-jest": "^29.3.4",
 		"ts-loader": "^9.5.2",
 		"tslib": "2.8.1",
 		"typescript": "5.8.2",