GOATS-771: Save observations pulled from GPP.

[davner]

Checklist

• Added a release note in doc/changes using the PR number.

[codecov]

Codecov Report

❌ Patch coverage is 62.22222% with 17 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.41%. Comparing base (e1c8f0e) to head (6279f23).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/goats_tom/facilities/gemini.py	62.22%	17 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #362      +/-   ##
==========================================
+ Coverage   74.51%   75.41%   +0.90%     
==========================================
  Files         209      209              
  Lines        6889     6765     -124     
  Branches      462      438      -24     
==========================================
- Hits         5133     5102      -31     
+ Misses       1672     1579      -93     
  Partials       84       84              

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.