feat(jellyfish-api-core): Add listPendingFutureSwaps RPC for dfip2203 futures

[jingyi2811]

What this PR does / why we need it:

Add listPendingFutureSwaps RPC

Which issue(s) does this PR fixes?:

Fixes part of #1268

Additional comments?:

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[codeclimate]

Code Climate has analyzed commit 3ab839a and detected 0 issues on this pull request.

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[codecov]

Codecov Report

Merging #1319 (3ab839a) into main (76e443a) will increase coverage by 0.41%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1319      +/-   ##
==========================================
+ Coverage   90.20%   90.62%   +0.41%     
==========================================
  Files         348      348              
  Lines       10010    10012       +2     
  Branches     1222     1222              
==========================================
+ Hits         9030     9073      +43     
+ Misses        934      895      -39     
+ Partials       46       44       -2     

Impacted Files	Coverage Δ
...ackages/jellyfish-api-core/src/category/account.ts	100.00% <100.00%> (ø)
...an-api-client/src/errors/ApiValidationException.ts	50.00% <0.00%> (-50.00%)	⬇️
...ckages/ocean-api-client/src/errors/ApiException.ts	72.22% <0.00%> (-27.78%)	⬇️
...h-transaction-builder/src/txn/txn_builder_loans.ts	77.14% <0.00%> (-22.86%)	⬇️
...nsaction-builder/src/txn/txn_builder_governance.ts	90.47% <0.00%> (-9.53%)	⬇️
...llyfish-transaction-builder/src/txn/txn_builder.ts	89.28% <0.00%> (-8.93%)	⬇️
packages/jellyfish-json/src/index.ts	86.20% <0.00%> (-6.90%)	⬇️
...ages/jellyfish-api-core/src/category/blockchain.ts	94.28% <0.00%> (-5.72%)	⬇️
packages/jellyfish-api-core/src/category/loan.ts	96.96% <0.00%> (-3.04%)	⬇️
...kages/jellyfish-wallet-encrypted/src/encryption.ts	92.30% <0.00%> (-1.54%)	⬇️
... and 7 more

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[github-actions]

Docker build preview for jellyfish/apps is ready!

Built with commit 5b5fc2f

• ghcr.io/defich/legacy-api:pr-1319
• ghcr.io/defich/ocean-api:pr-1319
• ghcr.io/defich/playground-api:pr-1319
• ghcr.io/defich/status-api:pr-1319

[jingyi2811]

It is better to review #1321 before this PR. The final design of 1321 will somehow determine how the test looks like in this PR.

C++ side hasn't added pagination to this RPC. Once they do so, I still need to improve the test written in this PR.

[surangap]

looks good. add a test like #1321 (review)