Fanout: Use redirect_to_grip_proxy_v2 and pass request handle #5016

Job	Run time
check-docusaurus	7m 39s
shellcheck	9s
Ensure that all required "cargo install" commands are run, or we have a cache hit (viceroy, 0.12.2)	3s
check-changelog	12s
Ensure that all required "cargo install" commands are run, or we have a cache hit (wasm-tools, 1....	5s
format	9s
Debug Build	3m 42s
Build (release)	8m 40s
Build (weval)	5m 36s
Run Web Platform Tests Debug	3m 45s
sdktest-debug (compute)	16m 25s
sdktest-debug (viceroy)	1m 1s
Run Web Platform Tests (release)	1m 22s
test-npm-package (18, ubuntu-latest)	30s
Run Web Platform Tests (weval)	1m 34s
test-npm-package (22, ubuntu-latest)	30s
test-npm-package (22, windows-latest)	1m 3s
test-npm-package (22, macos-latest)	26s
sdktest (compute, release)	5m 10s
sdktest (compute, weval)	5m 50s
sdktest (viceroy, weval)	1m 35s
sdktest (viceroy, release)	53s
	1h 6m 19s

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