Add agent version to GCP logs

[benyissa]

When debugging production issues in GCP logs, it is crucial to identify the specific version of the agent associated with the logs. This helps confirm whether an issue has been fixed or to determine which version is affected.

Currently, the logs in GCP do not include the agent version, as shown in the following screenshot:

This PR adds functionality to include the agent version in the logs, ensuring better traceability and debugging efficiency.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 62.62%. Comparing base (7b3f06f) to head (b421425).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/ostorlab/agent/agent.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #840   +/-   ##
=======================================
  Coverage   62.62%   62.62%           
=======================================
  Files         342      342           
  Lines       14430    14430           
=======================================
  Hits         9037     9037           
  Misses       5393     5393           

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