Bump jest from 25.5.4 to 29.7.0 in /_examples/federation (#2920)

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) from 25.5.4 to 29.7.0.
- [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/v29.7.0/packages/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

_examples/federation/package.json

@@ -17,7 +17,7 @@
     "apollo-cache-inmemory": "^1.6.5",
     "apollo-client": "^2.6.8",
     "apollo-link-http": "^1.5.16",
-    "jest": "^25.1.0",
+    "jest": "^29.7.0",
     "node-fetch": "^2.6.0"
   }
 }