feat(generator): support `request_id`-like fields #3539

Job	Run time
Require Approval for External PRs	1s
Windows-Bazel	0s
macOS-Bazel	0s
External Account Integration / external-account-integration-test	1m 38s
macOS-CMake / cmake + macos-13 + Core	7m 32s
Windows-CMake / cmake + msvc-2022 + x64 + Debug + Core	9m 12s
Windows-CMake / cmake + msvc-2022 + x64 + Release + Core	9m 48s
Windows-CMake / cmake + msvc-2022 + x86 + Release + Core	9m 4s
	37m 15s

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