ci: post direct links to html connector test reports (#252)

[devin-ai-integration]

Resolves: #252
Replaces: #257

Migrates the working commit status solution from test PR #262 to the main connector tests workflow.

Changes:

• Added commit status creation before and after tests
• Integrated with matrix job configuration
• Used GH_PAT_MAINTENANCE_OCTAVIA for authentication
• Added proper error handling for missing reports

Link to Devin run: https://app.devin.ai/sessions/b2ee5a94ec1246878d249ba434684b31

[devin-ai-integration]

Original prompt:

Hey, @Devin. Can you help with this issue. Let's confirm the plan before you start. <https://github.com/airbytehq/airbyte-python-cdk/issues/252>

[devin-ai-integration]

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[Aaron ("AJ") Steers (aaronsteers)]

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