feat: switch tce-lib action to spawn tasks

[Freyskeyd]

Description

This PR moves some part of code that can be placed in future into tokio tasks in order to check for performance gain.

PR Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added or updated tests that comprehensively prove my change is effective or that my feature works

[codecov]

Codecov Report

Attention: Patch coverage is 55.24476% with 64 lines in your changes are missing coverage. Please review.

Project coverage is 72.23%. Comparing base (b8cd730) to head (6658f78).

Files	Patch %	Lines
crates/topos-tce/src/app_context/api.rs	38.88%	33 Missing ⚠️
crates/topos-tce/src/app_context/network.rs	43.47%	26 Missing ⚠️
crates/topos-tce/src/app_context/protocol.rs	88.37%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #486      +/-   ##
==========================================
+ Coverage   72.21%   72.23%   +0.02%     
==========================================
  Files         219      219              
  Lines       12829    12842      +13     
==========================================
+ Hits         9265     9277      +12     
- Misses       3564     3565       +1     

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