ReleaseGold various fixes and improvements

[lucasege]

Description

Fixes one crucial bug in RG where we don't account for pending withdrawal values, leaving the door open for potential early selfdestructs and wonky releases.

Also added various changes/ fixes detailed below.

Tested

Added unit testing for pending withdrawal accounting.

Other changes

• Change deploy script to add months as multiples of 30 days rather than calendar months.
• Use safemath everywhere in RG
• Added events for self destruct events in RG

Related issues

• Fixes Missing SafeMath addition in ReleaseGold #3117
• Fixes Missing event logging in ReleaseGold #3112

Backwards compatibility

Yes

[codecov]

Codecov Report

Merging #3153 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3153   +/-   ##
=======================================
  Coverage   74.53%   74.53%           
=======================================
  Files         599      599           
  Lines       15014    15014           
  Branches     1886     1814   -72     
=======================================
  Hits        11191    11191           
- Misses       3488     3490    +2     
+ Partials      335      333    -2     

Flag	Coverage Δ
#mobile	73.81% <ø> (ø)
#web	75.47% <ø> (ø)

Impacted Files	Coverage Δ
packages/web/src/utils/utils.ts	79.62% <0.00%> (ø)
packages/web/src/utils/abortableFetch.ts	71.42% <0.00%> (ø)

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