v9.4.1-canary.2

Patches

• Docs: redirect error to the correct url: #12813
• Docs(ssr-caching): remove link to react-esi example: #12789
• Bump Babel cache key: #12822
• Run all logbox tests: #12825
• Fix edge case in fetch polyfill: #12832

Credits

Huge thanks to @shunkakinoki, @jpedroschmitz, and @Timer for helping!