chore(revenue) - Migrate Event emitting to TypedEvent

[Vvaradinov]

Description

Migrate the usage of now deprecated EmitEvent to EmitTypedEvent. New events.proto is created describing each event type the revenue module emits.

Closes: ENG-1172

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• added a relevant changelog entry to the Unreleased section in CHANGELOG.md
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• written unit and integration tests
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[codecov]

Codecov Report

Merging #1153 (892ccc9) into main (d060fa7) will increase coverage by 0.01%.
The diff coverage is 63.63%.

❗ Current head 892ccc9 differs from pull request most recent head 087f375. Consider uploading reports for the commit 087f375 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1153      +/-   ##
==========================================
+ Coverage   76.52%   76.53%   +0.01%     
==========================================
  Files         149      149              
  Lines        8110     8105       -5     
==========================================
- Hits         6206     6203       -3     
+ Misses       1708     1706       -2     
  Partials      196      196              

Impacted Files	Coverage Δ
x/revenue/keeper/msg_server.go	93.96% <60.86%> (-4.59%)	⬇️
x/revenue/keeper/evm_hooks.go	94.23% <70.00%> (-5.77%)	⬇️
x/erc20/proposal_handler.go	1.69% <0.00%> (+0.05%)	⬆️
x/erc20/keeper/msg_server.go	97.56% <0.00%> (+3.37%)	⬆️

[ramacarlucho]

Can you fix linter issues?

[GAtom22]

Great work @Vvaradinov!! Left a couple of comments

[fedekunze]

ACK, minor change required

[fedekunze]

ACK. Let's look into the fields types in a separate PR