feat: FormData support and Request.formData and Response.formData #5267

Job	Run time
Ensure that all required "cargo install" commands are run, or we have a cache hit (viceroy, 0.12.2)	6s
check-changelog	9s
Ensure that all required "cargo install" commands are run, or we have a cache hit (wasm-tools, 1....	5s
check-docusaurus	15m 10s
format	15s
shellcheck	10s
Debug Build	4m 4s
Build (release)	9m 10s
Build (weval)	6m 43s
Run Web Platform Tests Debug	5m 22s
sdktest-debug (compute, http-cache)	1m 17s
sdktest-debug (compute, none)	7m 45s
sdktest-debug (viceroy, none)	1m 22s
test-npm-package (18, ubuntu-latest)	25s
test-npm-package (22, ubuntu-latest)	32s
Run Web Platform Tests (release)	1m 35s
test-npm-package (22, windows-latest)	1m 17s
Run Web Platform Tests (weval)	1m 29s
test-npm-package (22, macos-latest)	22s
sdktest (compute, release, http-cache)	41s
sdktest (compute, release, none)	34s
sdktest (compute, weval, http-cache)	1m 14s
sdktest (compute, weval, none)	1m 20s
sdktest (viceroy, release, none)	49s
sdktest (viceroy, weval, none)	1m 17s
	1h 3m 13s

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