feat: recover tokens

[wischli]

Description

• Adds root extrinsic to initiate token recovery in EVM with UTs and IT
• Minor improvements in LP inbound tests
• Add schedule_upgrade and cancel_upgrade ITs

Checklist:

• [x] I have added Rust doc comments to structs, enums, traits and functions
• [x] I have made corresponding changes to the documentation
• [x] I have performed a self-review of my code
• [x] I have added tests that prove my fix is effective or that my feature works

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 91.30435% with 2 lines in your changes missing coverage. Please review.

Project coverage is 47.71%. Comparing base (0d29d17) to head (0902d96). Report is 1 commits behind head on main.

Files	Patch %	Lines
pallets/liquidity-pools/src/lib.rs	83.33%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1964 +/- ## ========================================== + Coverage 47.65% 47.71% +0.06% ========================================== Files 183 183 Lines 12906 12929 +23 ========================================== + Hits 6150 6169 +19 - Misses 6756 6760 +4 ```

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[lemunozm]

Let's merge this!