feat: solana chain tracking events

[kylezs]

Pull Request

Checklist

Please conduct a thorough self-review before opening the PR.

• I am confident that the code works.
• I have written sufficient tests.
• I have written and tested required migrations.
• I have updated documentation where appropriate.

Summary

We want chain tracking events for solana

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 20 lines in your changes missing coverage. Please review.

Project coverage is 70%. Comparing base (8c5ccff) to head (d490ddc).
Report is 1 commits behind head on main.

Files	Patch %	Lines
...te-chain/runtime/src/chainflip/solana_elections.rs	0%	10 Missing ⚠️
state-chain/runtime/src/lib.rs	0%	0 Missing and 5 partials ⚠️
...chain/runtime/src/migrations/solana_integration.rs	0%	4 Missing ⚠️
...lections/src/electoral_systems/monotonic_median.rs	0%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##            main   #5195    +/-   ##
======================================
- Coverage     70%     70%    -0%     
======================================
  Files        481     481            
  Lines      86349   86238   -111     
  Branches   86349   86238   -111     
======================================
- Hits       60588   60405   -183     
- Misses     22476   22544    +68     
- Partials    3285    3289     +4     

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