fix(github-webhook): clear pending check on ok-to-test

[zakisk]

When using GitHub Webhook, the pending check run created for unauthorized PRs was never resolved after an admin commented /ok-to-test, leaving it stuck indefinitely.

https://redhat.atlassian.net/browse/SRVKP-11789

📝 Description of the Change

🔗 Linked GitHub Issue

Fixes #

🧪 Testing Strategy

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• Manual testing
• Not Applicable

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[gemini-code-assist]

Code Review

This pull request updates the logic in pkg/pipelineascode/match.go for handling /ok-to-test comments. It replaces the provider name check with a check on the InstallationID to identify GitHub Apps, ensuring that status updates are handled correctly for providers that use the checkRun API. I have no feedback to provide as there are no review comments.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 59.12%. Comparing base (5c09648) to head (3bd4d8e).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/pipelineascode/match.go	0.00%	0 Missing and 1 partial ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2706      +/-   ##
==========================================
+ Coverage   59.01%   59.12%   +0.11%     
==========================================
  Files         208      208              
  Lines       20452    20512      +60     
==========================================
+ Hits        12069    12127      +58     
- Misses       7609     7612       +3     
+ Partials      774      773       -1     

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