feat: FormData support and Request.formData and Response.formData #5271

Job	Run time
check-changelog	17s
format	15s
check-docusaurus	15m 8s
Ensure that all required "cargo install" commands are run, or we have a cache hit (viceroy, 0.12.2)	2s
Ensure that all required "cargo install" commands are run, or we have a cache hit (wasm-tools, 1....	2s
shellcheck	6s
Debug Build	3m 45s
Build (release)	8m 56s
Build (weval)	6m 22s
Run Web Platform Tests Debug	5m 5s
sdktest-debug (compute, none)	3m 41s
sdktest-debug (compute, http-cache)	7m 19s
sdktest-debug (viceroy, none)	1m 12s
Run Web Platform Tests (release)	1m 38s
Run Web Platform Tests (weval)	1m 39s
test-npm-package (18, ubuntu-latest)	25s
test-npm-package (22, ubuntu-latest)	26s
test-npm-package (22, windows-latest)	1m 13s
test-npm-package (22, macos-latest)	25s
sdktest (compute, release, http-cache)	6m 57s
sdktest (compute, release, none)	6m 50s
sdktest (compute, weval, http-cache)	6m 22s
sdktest (compute, weval, none)	7m 3s
sdktest (viceroy, release, none)	49s
sdktest (viceroy, weval, none)	1m 28s
	1h 27m 25s

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