Stabilize the current `#[builder(getter)]` feature MVP #846

Job	Run time
version-sync	6s
cargo-lock	6s
cargo-machete	3s
cargo-doc (ubuntu)	23s
cargo-fmt	15s
cargo-doc (windows)	1m 29s
cargo-miri	1m 43s
compilation-benchmarks	2m 5s
cargo-doc (macos)	48s
runtime-benchmarks (args_3)	52s
test-msrv (ubuntu)	1m 3s
runtime-benchmarks (args_5)	51s
test-stable (ubuntu)	1m 18s
test-unstable (beta)	32s
test-msrv (windows)	2m 10s
runtime-benchmarks (args_10_alloc)	56s
test-stable (windows)	3m 9s
test-unstable (nightly)	26s
test-msrv (macos)	1m 35s
runtime-benchmarks (args_10_structs)	54s
test-stable (macos)	1m 44s
runtime-benchmarks (args_10)	51s
runtime-benchmarks (args_20)	51s
prettier	9s
taplo-fmt	3s
typos	6s
website-build	23s
	24m 51s

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