feat: support retrying sending inbound vote with higher gas limit

[lumtis]

Description

Decrease the default gas limit for inbound vote and increase it when the tx failed with a out of gas error.
The tx result is checked in another Go routine

Add the same functionality for outbound vote. (When processing outbound when reverting the gas limit must be higher because of the swaps to pay for the gas on the sending chain)

Also do some renaming and create new files for the different Post functions:

• PostSend => PostVoteInbound
• PostReceiveConfirmation => PostVoteOutbound

Closes: #1579

[github-actions]

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[ws4charlie]

LGTM

[kevinssgh]

retryGasLimit - I see you're passing the execution gas limit here. Should the name be retry gas limit instead of execution gas limit?

[lumtis]

Closing in favor of #1601
We can cherry pick changes from 12.1 afterward