p2p: add a per-message type send and receive metric (backport #9622)

[mergify]

This is an automatic backport of pull request #9622 done by Mergify.
Cherry-pick of 09b8708 has failed:

On branch mergify/bp/v0.37.x/pr-9622
Your branch is up to date with 'origin/v0.37.x'.

You are currently cherry-picking commit 09b870831.
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Changes to be committed:
	modified:   .github/workflows/lint.yml
	modified:   blocksync/msgs.go
	modified:   blocksync/reactor.go
	modified:   cmd/tendermint/commands/debug/util.go
	modified:   consensus/byzantine_test.go
	modified:   consensus/invalid_test.go
	modified:   consensus/msgs.go
	modified:   consensus/msgs_test.go
	modified:   consensus/reactor.go
	modified:   consensus/reactor_test.go
	modified:   evidence/reactor.go
	modified:   evidence/reactor_test.go
	modified:   libs/rand/random.go
	modified:   mempool/v0/reactor.go
	modified:   mempool/v0/reactor_test.go
	modified:   mempool/v1/reactor.go
	modified:   p2p/base_reactor.go
	modified:   p2p/conn/connection.go
	modified:   p2p/metrics.gen.go
	modified:   p2p/metrics.go
	modified:   p2p/mock/peer.go
	modified:   p2p/mock/reactor.go
	modified:   p2p/mocks/peer.go
	modified:   p2p/peer_test.go
	modified:   p2p/pex/pex_reactor.go
	modified:   p2p/pex/pex_reactor_test.go
	modified:   p2p/switch.go
	modified:   p2p/switch_test.go
	modified:   p2p/test_util.go
	modified:   p2p/transport.go
	modified:   p2p/types.go
	new file:   proto/tendermint/blocksync/message.go
	new file:   proto/tendermint/consensus/message.go
	new file:   proto/tendermint/mempool/message.go
	new file:   proto/tendermint/p2p/pex.go
	new file:   proto/tendermint/statesync/message.go
	modified:   statesync/messages.go
	modified:   statesync/messages_test.go
	modified:   statesync/reactor.go
	modified:   statesync/reactor_test.go
	modified:   statesync/syncer.go
	modified:   statesync/syncer_test.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   cmd/tendermint/commands/rollback.go
	both modified:   go.mod
	both modified:   go.sum
	both modified:   p2p/peer.go
	both modified:   p2p/peer_set_test.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[thanethomson]

Will we be rolling this out with v0.37.0? If not, and if we roll it out with v0.37.1, please ensure there are no breaking changes between those two versions.

cc @sergio-mena

[williambanfield]

Will we be rolling this out with v0.37.0? If not, and if we roll it out with v0.37.1, please ensure there are no breaking changes between those two versions.

cc @sergio-mena

I was planning to just port the changes made to keep v0.34 from breaking onto this branch. Should be straightforward enough and doesn't change our release process.

[sergio-mena]

I am 50-50 on this. I know having coherent metrics in v0.37.x, and later branches is desirable but I took a look at this patch and there's some degree of refactoring here (the PR is of +1.5k -1k size), so I'm a bit nervous about merging it in release branches as a "nice to have".

At the very least, I agree with @thanethomson this should only be merged after the first release in v0.37.x.

[thanethomson]

Sure thing @sergio-mena - perhaps it makes sense to defer merging this to v0.37.1. I've already added the S:wip label here to prevent stalebot from closing it and have marked it as blocked for now on the project board.