feat(reflection): Expose ReflectionService (#2066) #3717

Job	Run time
cargo-deny check	23s
clippy	1m 18s
check (ubuntu-latest)	2m 38s
Check MSRV	1m 6s
Interop Tests (ubuntu-latest)	45s
check (macOS-latest)	3m 17s
Interop Tests (macOS-latest)	44s
check (windows-latest)	6m 52s
Interop Tests (windows-latest)	3m 8s
rustfmt	7s
check-external-types	38s
semver	1m 10s
test (ubuntu-latest)	3m 22s
codegen	23s
test (macOS-latest)	2m 43s
test (windows-latest)	6m 50s
Check unused dependencies	4m 37s
	40m 1s

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