feat: enable parsing Bitcoin deposit memo with inscription; deposit fee improvement

[ws4charlie]

Description

• Allow parsing Bitcoin deposit memo with inscription. Cherry picked from the original PR 2727
• Bitcoin depositor fee improvement to achieve better dev experience. Backport from the original PR 2765
• Replaced Solana deprecated RPC GetRecentBlockhash with GetLatestBlockhash to fix RPC error

How Has This Been Tested?

• Tested CCTX in localnet
• Tested in development environment
• Go unit tests
• Go integration tests
• Tested via GitHub Actions

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[github-actions]

!!!WARNING!!!
nosec detected in the following files: zetaclient/chains/bitcoin/fee.go, zetaclient/chains/bitcoin/rpc/rpc_live_test.go

Be very careful about using #nosec in code. It can be a quick way to suppress security warnings and move forward with development, it should be employed with caution. Suppressing warnings with #nosec can hide potentially serious vulnerabilities. Only use #nosec when you're absolutely certain that the security issue is either a false positive or has been mitigated in another way.

Only suppress a single rule (or a specific set of rules) within a section of code, while continuing to scan for other problems. To do this, you can list the rule(s) to be suppressed within the #nosec annotation, e.g: /* #nosec G401 */ or //#nosec G201 G202 G203
Broad #nosec annotations should be avoided, as they can hide other vulnerabilities. The CI will block you from merging this PR until you remove #nosec annotations that do not target specific rules.

Pay extra attention to the way #nosec is being used in the files listed above.

[codecov]

Codecov Report

Attention: Patch coverage is 3.24324% with 179 lines in your changes missing coverage. Please review.

Project coverage is 46.96%. Comparing base (9d6d0ec) to head (fedf6d5).
Report is 2 commits behind head on release/v19.

Files	Patch %	Lines
e2e/runner/inscription.go	0.00%	47 Missing ⚠️
.../e2etests/test_extract_bitcoin_inscription_memo.go	0.00%	33 Missing ⚠️
zetaclient/chains/bitcoin/fee.go	0.00%	30 Missing ⚠️
zetaclient/chains/bitcoin/rpc/rpc.go	0.00%	29 Missing ⚠️
e2e/runner/bitcoin.go	0.00%	25 Missing ⚠️
zetaclient/chains/bitcoin/observer/inbound.go	14.28%	5 Missing and 1 partial ⚠️
zetaclient/chains/bitcoin/observer/witness.go	50.00%	4 Missing and 1 partial ⚠️
zetaclient/chains/solana/signer/withdraw.go	0.00%	2 Missing ⚠️
e2e/runner/solana.go	0.00%	1 Missing ⚠️
zetaclient/chains/bitcoin/observer/observer.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release/v19    #2768      +/-   ##
===============================================
- Coverage        47.19%   46.96%   -0.23%     
===============================================
  Files              482      484       +2     
  Lines            31585    31740     +155     
===============================================
+ Hits             14905    14908       +3     
- Misses           15792    15942     +150     
- Partials           888      890       +2     

Files	Coverage Δ
e2e/runner/solana.go	0.00% <0.00%> (ø)
zetaclient/chains/bitcoin/observer/observer.go	33.22% <0.00%> (ø)
zetaclient/chains/solana/signer/withdraw.go	0.00% <0.00%> (ø)
zetaclient/chains/bitcoin/observer/witness.go	68.42% <50.00%> (-2.37%)	⬇️
zetaclient/chains/bitcoin/observer/inbound.go	14.39% <14.28%> (+0.10%)	⬆️
e2e/runner/bitcoin.go	0.00% <0.00%> (ø)
zetaclient/chains/bitcoin/rpc/rpc.go	0.00% <0.00%> (ø)
zetaclient/chains/bitcoin/fee.go	37.98% <0.00%> (-11.52%)	⬇️
.../e2etests/test_extract_bitcoin_inscription_memo.go	0.00% <0.00%> (ø)
e2e/runner/inscription.go	0.00% <0.00%> (ø)

[skosito]

lgtm, just some minor comments

EDIT: now i see this is PR for backports, so please discard comments if they dont make sense

[lumtis]

Included the E2E test for the inscription please review #2769