[Ready-1] Problem: Support offline signing for GOVERNANCE module

[cdc-Hitesh]

Fixes #245

[codecov]

Codecov Report

Merging #253 (4e0c80e) into tx-revamp-dev (b96ed43) will increase coverage by 3.38%.
The diff coverage is 93.87%.

@@                Coverage Diff                @@
##           tx-revamp-dev     #253      +/-   ##
=================================================
+ Coverage          89.34%   92.73%   +3.38%     
=================================================
  Files                101      107       +6     
  Lines               3613     4004     +391     
  Branches             261      290      +29     
=================================================
+ Hits                3228     3713     +485     
+ Misses               385      291      -94     

Impacted Files	Coverage Δ
lib/src/transaction/msg/gov/ow.types.ts	94.73% <ø> (ø)
.../src/transaction/msg/staking/MsgBeginRedelegate.ts	91.89% <ø> (ø)
.../src/transaction/msg/staking/MsgCreateValidator.ts	94.23% <ø> (ø)
...action/msg/gov/proposal/SoftwareUpgradeProposal.ts	87.87% <75.00%> (+37.87%)	⬆️
.../msg/gov/proposal/CancelSoftwareUpgradeProposal.ts	95.00% <80.00%> (+41.66%)	⬆️
...ion/msg/gov/proposal/CommunityPoolSpendProposal.ts	87.09% <84.61%> (ø)
...ransaction/msg/gov/proposal/ParamChangeProposal.ts	95.65% <87.50%> (ø)
lib/src/transaction/msg/gov/MsgSubmitProposal.ts	93.93% <92.30%> (+46.32%)	⬆️
lib/src/core/cro.ts	100.00% <100.00%> (ø)
lib/src/transaction/common/constants/typeurl.ts	75.60% <100.00%> (+35.06%)	⬆️
... and 24 more

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