Bump jest and @types/jest

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) and [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest). These dependencies needed to be updated together.

Updates `jest` from 29.7.0 to 30.3.0
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.3.0/packages/jest)

Updates `@types/jest` from 29.5.14 to 30.0.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

---
updated-dependencies:
- dependency-name: "@types/jest"
  dependency-version: 30.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: jest
  dependency-version: 30.3.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -42,7 +42,7 @@
     "teljari": "^1.1.1"
   },
   "devDependencies": {
-    "@types/jest": "^29.5.12",
+    "@types/jest": "^30.0.0",
     "@types/node": "^25.3.3",
     "@types/react": "^18.3.2",
     "@typescript-eslint/eslint-plugin": "^8.58.0",
@@ -58,7 +58,7 @@
     "eslint-plugin-react-hooks": "^4.6.2",
     "identity-obj-proxy": "^3.0.0",
     "jafningjar": "^1.0.0",
-    "jest": "^29.7.0",
+    "jest": "^30.3.0",
     "jest-environment-jsdom": "^30.2.0",
     "node-mocks-http": "^1.14.1",
     "old-norse-alphabet-sort": "^1.1.12",