Add variant of LocalPool with bound lifetime #2587

Job	Run time
cargo +1.36 build (futures-{core, io, sink})	32s
cargo test (ubuntu-latest)	3m 9s
cargo +1.56 build	1m 3s
cargo test (macos-latest)	5m 27s
cargo +stable build	33s
cargo test (windows-latest)	4m 50s
cargo bench	52s
cargo +beta build	43s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 33s
cargo clippy	25s
cargo +nightly build	41s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 15s
cargo doc	22s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	6m 36s
cargo fmt	4s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 28s
cargo hack check --feature-powerset	2m 27s
cargo minimal-versions build	27s
cargo miri test	10m 6s
cargo build --target thumbv7m-none-eabi	29s
cargo build --target thumbv6m-none-eabi	26s
cargo test -Z sanitizer=address	3m 39s
cargo test -Z sanitizer=memory	3m 55s
cargo test -Z sanitizer=thread	2m 41s
	1h 2m 43s

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