feat(rollup-relayer): finalize bundle

[colinlyguo]

Purpose or design rationale of this PR

1. add bundle-proposer.
2. finalize bundles.

• db unit tests.
• bundle proposer unit tests.
• l2 relayer unit tests.
• integration tests.

PR title

Your PR title must follow conventional commits (as we are doing squash merge for each PR), so it must start with one of the following types:

• feat: A new feature

Deployment tag versioning

Has tag in common/version.go been updated or have you added bump-version label to this PR?

• No, this PR doesn't involve a new deployment, git tag, docker image tag

Breaking change label

Does this PR have the breaking-change label?

• No, this PR is not a breaking change

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 56.47668% with 252 lines in your changes missing coverage. Please review.

Project coverage is 54.29%. Comparing base (beee0c2) to head (9316e45).

Files	Patch %	Lines
rollup/internal/controller/relayer/l2_relayer.go	37.95%	83 Missing and 20 partials ⚠️
rollup/internal/orm/bundle.go	63.84%	44 Missing and 20 partials ⚠️
...lup/internal/controller/watcher/bundle_proposer.go	68.64%	27 Missing and 10 partials ⚠️
rollup/internal/orm/batch.go	58.90%	23 Missing and 7 partials ⚠️
common/types/message/message.go	0.00%	18 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##           feat/upgrade4    #1411      +/-   ##
=================================================
+ Coverage          53.80%   54.29%   +0.49%     
=================================================
  Files                156      158       +2     
  Lines              12061    12605     +544     
=================================================
+ Hits                6489     6844     +355     
- Misses              5067     5193     +126     
- Partials             505      568      +63     

Flag	Coverage Δ
bridge-history-api	72.50% <ø> (ø)
common	46.53% <0.00%> (-0.54%)	⬇️
coordinator	19.93% <ø> (ø)
database	42.85% <ø> (ø)

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