Enhance plugin system with dependency management

[tsv1]

Resolves #117

Introduce a depends_on attribute for plugins to define dependencies, enabling automatic ordering and validation of plugin load sequences.

[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 16 lines in your changes missing coverage. Please review.

Project coverage is 90.68%. Comparing base (37425fc) to head (152fc9e).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
vedro/commands/run_command/_run_command.py	85.29%	3 Missing and 2 partials ⚠️
vedro/_config.py	75.00%	4 Missing ⚠️
vedro/commands/run_command/_plugin_registrar.py	96.92%	1 Missing and 1 partial ⚠️
.../scenario_discoverer/_multi_scenario_discoverer.py	50.00%	1 Missing and 1 partial ⚠️
vedro/core/scenario_result/_aggregated_result.py	0.00%	1 Missing and 1 partial ⚠️
vedro/events/__init__.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #118      +/-   ##
==========================================
- Coverage   90.72%   90.68%   -0.04%     
==========================================
  Files         165      168       +3     
  Lines        4742     4874     +132     
  Branches      672      693      +21     
==========================================
+ Hits         4302     4420     +118     
- Misses        381      395      +14     
  Partials       59       59              

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