[Release] Fixes and changes preparing for version 0.1.28

[DidacSF]

Description

This PR has the following changes:

• Fixes in the bajun and ajuna runtimes related to async-backing
• Adds two new jobs to the release check try-runtime and zombienet checks
• Adds adjustments and files needed for the new checks to work

Type of changes

• build: Changes that affect the build system or external dependencies (eg, Cargo, Docker)
• ci: Changes to CI configuration
• docs: Changes to documentation only
• feat: Changes to add a new feature
• fix: Changes to fix a bug
• refactor: Changes that do not alter functionality
• style: Changes to format the code
• test: Changes to add missing tests or correct existing tests

Checklist

• Tests for the changes have been added
• Necessary documentation is added (if appropriate)
• Formatted with cargo fmt --all
• Linted with cargo clippy --all-features --all-targets
• Tested with cargo test --workspace --all-features --all-targets

[codecov]

Codecov Report

Attention: 112 lines in your changes are missing coverage. Please review.

Comparison is base (210f36d) 74.97% compared to head (2ab6a26) 75.57%.
Report is 31 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #369      +/-   ##
===========================================
+ Coverage    74.97%   75.57%   +0.59%     
===========================================
  Files           33       33              
  Lines         3421     3517      +96     
===========================================
+ Hits          2565     2658      +93     
- Misses         856      859       +3     

Files	Coverage Δ
pallets/ajuna-awesome-avatars/src/lib.rs	83.39% <100.00%> (+0.51%)	⬆️
...ts/ajuna-awesome-avatars/src/types/avatar/force.rs	64.00% <100.00%> (+9.83%)	⬆️
...na-awesome-avatars/src/types/avatar/rarity_tier.rs	65.62% <ø> (+9.37%)	⬆️
...na-awesome-avatars/src/types/avatar/versions/v1.rs	87.32% <100.00%> (ø)
...atars/src/types/avatar/versions/v2/avatar_utils.rs	92.22% <ø> (+0.43%)	⬆️
...s/src/types/avatar/versions/v2/combinator/breed.rs	79.31% <ø> (ø)
...s/src/types/avatar/versions/v2/combinator/equip.rs	96.77% <ø> (ø)
...src/types/avatar/versions/v2/combinator/glimmer.rs	81.08% <100.00%> (+1.35%)	⬆️
...rs/src/types/avatar/versions/v2/combinator/mate.rs	68.05% <100.00%> (+0.91%)	⬆️
...ars/src/types/avatar/versions/v2/combinator/mod.rs	48.48% <ø> (ø)
... and 10 more

... and 4 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.