fix: trello oauth error handling

[ashutoshdhande]

Description

Trello error handling while fetching token.

Type of change

• [X] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my code
• [X] I have commented my code, particularly in hard-to-understand areas
• [X] My changes generate no new warnings

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[github-actions[bot]]

Thank you for following the naming conventions for pull request titles! 🙏