Update starknet-rs to 0.13; allow deprecated methods in integration tests

[FabijanC]

Usage related changes

• None, hopefully

Development related changes

• Update the starknet-rs dependency to 0.13
  • v1 and v2 transaction methods are deprecated, so until we completely remove them or replace them with v3 counterparts, we allow deprecated methods in the integration crate.
• Remove three TODOs, introduce one.
• Update Argent class hash.
• Unblock Predeclare Argent accounts #658.

Checklist:

• Checked out the contribution guidelines
• Applied formatting - ./scripts/format.sh
• No linter errors - ./scripts/clippy_check.sh
• No unused dependencies - ./scripts/check_unused_deps.sh
• No spelling errors - ./scripts/check_spelling.sh
• Performed code self-review
• Rebased to the latest commit of the target branch (or merged it into my branch)
  • Once you make the PR reviewable, please avoid force-pushing
• Updated the docs if needed - ./website/README.md
• Linked the issues resolvable by this PR - linking info
• Updated the tests if needed; all passing - execution info