feat: Added APIs delete_event() and delete_phase()

[ansnfernand]

Description

Added APIs delete_event() and delete_phase()

Issue linked

#646 #647

Checklist:

• Run unit tests and make sure they all pass
  - Run tests without Sherlock running
  - Run tests with Sherlock GRPC connection
• Check and fix style errors
  - pre-commit command line check
  - Problems tab in PyCharm
• Bench test new/modified APIs by using and modifying the code in the example for the API method
• [] Add new classes to rst files, located at: \doc\source\api
• Generate documentation
• Verify the HTML. It gets generated at: \doc\build\html.
  - Open index.html
  - Click on "API Reference" at the top.
  - Verify HTML for API changes.
• Check that test code coverage is at least 80% when Sherlock is running
• Make sure that the title of the pull request follows Commit naming conventions (e.g. feat: adding new PySherlock command)

[codecov]

Codecov Report

❌ Patch coverage is 61.70213% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.66%. Comparing base (2c53f13) to head (237d98b).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/ansys/sherlock/core/lifecycle.py	22.22%	14 Missing ⚠️
src/ansys/sherlock/core/errors.py	60.00%	2 Missing ⚠️
src/ansys/sherlock/core/types/lifecycle_types.py	91.66%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #648   +/-   ##
=======================================
  Coverage   61.66%   61.66%           
=======================================
  Files          22       22           
  Lines        5982     6029   +47     
=======================================
+ Hits         3689     3718   +29     
- Misses       2293     2311   +18     

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