Refactor PeerManager to introduce Connectivity Module #19982

Job	Run time
Check for 'skip-ci' label	1s
check-code	13m 59s
check-msrv	5m 33s
lockbud	14m 32s
target-branch-check	1s
release-tests-windows	37m 18s
op-pool-tests	18m 7s
network-tests	21m 12s
beacon-chain-tests	27m 22s
debug-tests-ubuntu	8m 28s
release-tests-ubuntu	26m 2s
slasher-tests	2m 0s
basic-simulator-ubuntu	15m 36s
cargo-udeps	7m 43s
compile-with-beta-compiler	15m 12s
ef-tests-ubuntu	10m 46s
execution-engine-integration-ubuntu	12m 20s
fallback-simulator-ubuntu	12m 0s
state-transition-vectors-ubuntu	2m 30s
cargo-sort	23s
cli-check	6m 58s
test-suite-success	4s
	4h 18m 7s

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