Remove experimental from startdelay in workflow-options.ts #3683

Job	Run time
compile-binaries (buildjet-2vcpu-ubuntu-1804, x86_64-unknown-linux-gnu)	6m 39s
build-docs	10m 52s
compile-binaries (buildjet-2vcpu-ubuntu-1804, aarch64-unknown-linux-gnu, -C linker=aarch64-linux-...	6m 52s
build-and-test (true, 14, ubuntu-latest)	11m 38s
compile-binaries (macos-latest, x86_64-apple-darwin)	14m 7s
build-and-test (true, 14, macos-latest)	21m 10s
lint-and-prune	2m 30s
compile-binaries (macos-latest, aarch64-apple-darwin)	13m 0s
build-and-test (true, 14, windows-latest)	14m 15s
compile-binaries (windows-latest, x86_64-pc-windows-msvc)	10m 3s
build-and-test (true, 16, ubuntu-latest)	10m 1s
build-and-test (true, 16, macos-latest)	19m 43s
build-and-test (true, 16, windows-latest)	12m 43s
build-and-test (true, 18, ubuntu-latest)	10m 17s
build-and-test (true, 18, macos-latest)	13m 5s
build-and-test (true, 18, windows-latest)	12m 31s
build-and-test (true, 20, ubuntu-latest)	10m 1s
build-and-test (true, 20, macos-latest)	15m 13s
build-and-test (true, 20, windows-latest)	13m 11s
build-and-test (ubuntu-latest, 20, false)	10m 0s
features-tests / test	5m 11s
stress-tests / stress-test	7m 29s
stress-tests-reuse-context / stress-test	6m 59s
test-npm-init (ubuntu-latest, x86_64-unknown-linux-gnu, 20, local, hello-world)	2m 10s
test-npm-init (ubuntu-latest, x86_64-unknown-linux-gnu, 20, local, fetch-esm)	1m 37s
test-npm-init (macos-latest, x86_64-apple-darwin, 20, cloud, hello-world-mtls)	1m 58s
test-npm-init (windows-latest, x86_64-pc-windows-msvc, 20, cloud, hello-world-mtls)	2m 20s
	4h 25m 35s

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