Problem: Support IBC MsgUpdateClient

[cdc-Hitesh]

Fixes #284

[codecov]

Codecov Report

Merging #286 (d7832d3) into tx-revamp-dev (b96ed43) will increase coverage by 7.58%.
The diff coverage is 98.22%.

@@                Coverage Diff                @@
##           tx-revamp-dev     #286      +/-   ##
=================================================
+ Coverage          89.34%   96.92%   +7.58%     
=================================================
  Files                101      132      +31     
  Lines               3613     5666    +2053     
  Branches             261      368     +107     
=================================================
+ Hits                3228     5492    +2264     
+ Misses               385      174     -211     

Impacted Files	Coverage Δ
lib/src/client/client.ts	80.95% <ø> (ø)
lib/src/transaction/msg/bank/msgsend.spec.ts	100.00% <ø> (ø)
lib/src/transaction/msg/bank/msgsend.ts	100.00% <ø> (ø)
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)
lib/src/utils/txDecoder.spec.ts	100.00% <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%)	⬆️
lib/src/transaction/signable.ts	93.88% <81.81%> (-0.53%)	⬇️
... and 108 more

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[calvinaco]

Need to resolve conflicts

[cdc-Hitesh]

Need to resolve conflicts

@calvinaco

After seeing the actual json object, I am doing some changes to this one.
Working on writing fromCosmosJSON method

[cdc-Hitesh]

@calvinaco @eddycpc
I have included changes for 2 message types here.
As I found out the onchain message JSON structure changed a few assumptions in the previous code.

I have left a few Todos inside.