feat: windows compatibility for gcloud mcp

[Jackxu9946]

Added windows support for gcloud-mcp.

Gcloud-mcp will automatically detect which OS it is being ran in and automatically choose the correct gcloud invocation command for the platform

Fixes #275

[codecov]

Codecov Report

❌ Patch coverage is 94.66019% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.25%. Comparing base (fabef5e) to head (9ddc6d4).
⚠️ Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/gcloud-mcp/src/windows_gcloud_utils.ts	92.90%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #294      +/-   ##
==========================================
+ Coverage   93.64%   94.25%   +0.61%     
==========================================
  Files          46       51       +5     
  Lines        3225     3987     +762     
  Branches      426      413      -13     
==========================================
+ Hits         3020     3758     +738     
- Misses        205      229      +24     

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[burkedavison]

Please introduce the gcloud integration test shown in this PR: #284

As part of the integration test, please make sure that the test cases exercise both zero, one, and two python arguments.

Ex: -v -S

[burkedavison]

Offline discussion.