Prepare for litd v0.15.3-alpha release

[ViktorT-11]

This PR prepares litd for the v0.15.3-alpha release, and bumps loop.

[gemini-code-assist]

Summary of Changes

Hello @ViktorT-11, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request primarily focuses on preparing the litd project for its v0.15.3-alpha release. This involves a significant update to the loop dependency, which in turn introduces several new fields and functionalities to the Loop In/Out swap RPCs. The changes enhance the flexibility and information provided during swap quoting and execution, particularly for static address loop-in swaps, and improve the notification system for better client recovery. Additionally, various other Go module dependencies have been updated to ensure the project uses the latest stable versions.

Highlights

• Version Bump: The litd application version has been updated to v0.15.3-alpha.
• Dependency Update: The loop dependency has been upgraded to v0.31.5-beta, bringing in new features and bug fixes from the Loop project.
• API Enhancements for Loop Swaps: Several RPC messages related to Loop In/Out swaps have been extended. QuoteRequest now includes auto_select_deposits and fast flags, InQuoteResponse includes quoted_amt, Deposit includes swap_hash, and StaticAddressLoopInSwap, StaticAddressLoopInRequest, and StaticAddressLoopInResponse have new fields for deposits, amounts, change, and fast publication behavior.
• Notification System Upgrade: The SubscribeNotificationsRequest now supports a ListenerVersion to allow for future notification protocol upgrades, and SubscribeNotificationsResponse can now include ServerUnfinishedSwapNotification to inform clients about incomplete swaps.
• Documentation Update: The README.md file has been updated to reflect the new litd version and its corresponding integrated binary versions, and new release notes for v0.15.3 have been added.
• Go Module Updates: Various Go module dependencies have been updated to their latest versions, including go.etcd.io/bbolt, golang.org/x/* packages, google.golang.org/protobuf, and several github.com/docker and opentelemetry related modules.

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[gemini-code-assist]

Code Review

This pull request prepares for the v0.15.3-alpha release of litd. The changes primarily involve version bumps, updating dependencies, and adding new features to the Loop RPC interface. Specifically, new fields have been added to support 'fast' swaps and automatic deposit selection for loop-in swaps. The protobuf definitions, generated client code, and test data have been updated accordingly. The changes look good and are consistent with the goal of the PR. I've pointed out a couple of minor typos in the new RPC comments.

[bhandras]

LGTM, thank you! 🎉

[ViktorT-11]

Fixed the "CI / check commits" error, by just adding a separate 010e550 commit. There's been no changes to the PR itself.

[jamaljsr]

tACK LGTM 🚀

Tested the litd UI and TW e2e test suite. All clear from my end.