v1.18: Make the quic server connection table use an async lock, reduc… #8073

Job	Run time
test	0s
check	0s
cargo-test-sbf (token/program)	6m 1s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	12m 1s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 17s
cargo-test-sbf (token-upgrade/program)	8m 28s
cargo-test-sbf (feature-proposal/program)	6m 28s
cargo-test-sbf (governance/addin-mock/program, governance/program)	11m 11s
cargo-test-sbf (memo/program)	8m 10s
cargo-test-sbf (name-service/program)	7m 12s
cargo-test-sbf (stake-pool/program)	10m 59s
cargo-test-sbf (single-pool/program)	7m 20s
	1h 28m 7s

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