v9.3.6-canary.8

Patches

• Update year on license files: 9f1e713
• Add additional check for segments in destination but not source: #12067
• Make sure to not show _error without 404 warning in some cases: #12061
• Fix postcss.config.js warnings: #12070
• Add Experimental React Refresh Example: #12081
• Rosetta i18n example: #11841
• [Fast Refresh] propagates a module that stops accepting in nex…: #12062
• Upgrade webpack: #12082
• Update to track test timings separate for Azure and Actions: #12083

Credits

Huge thanks to @ijjk, @oddnavy, and @StarpTech for helping!