* feat(L2toL2CrossDomainMessenger): return message hash from sendMessage

* fix

* fix build

* revert

* fix build

* bump version

* nit

* address comments

* update tests

* nit

* revert

* update snapshot

* update semver devdoc

* update semver-lock

* bump token versions

* bump semver lock

* fix semver and update output

* update semver-lock

* delete clones-with-immutable-args

* bump versions:

* update semver-lock