v13.5.7-canary.13

Core Changes

• Update React from a419575 to d803f51: #57015
• prefer Option<Vc<IssueSource>> over Vc<OptionIssueSource>: #57104
• chore: drop form-data: #57141
• chore: drop web streams polyfilling on globalThis: #57077
• chore: create template from next-edge-ssr-loader: #56715
• Remove the experimental serverActions flag: #57145
• Route Handler Types: #57070
• Revert "Add retry for fetching subsetted Google Fonts": #57154
• Display experimental features for next build: #57152

Misc Changes

• make test case less flaky: #57138
• Refine eslint rule: #57143
• Update eslint config: #57146
• Reduce e2e deploy concurrency: #57142
• Mark most GTMParams as optional: #57153

Credits

Huge thanks to @gnoff, @sokra, @ijjk, @balazsorban44, @ForsakenHarmony, @philwolstenholme, @wyattjoh, @styfle, and @huozhi for helping!