Using GPT5 models results in error

[olegp]

Tested with gpt-5-nano and gpt-5-mini. Error below:

2025-08-23 08:53:30.553 [error] Error: An unexpected error occurred
	at .../.vscode/extensions/sitoi.ai-commit-0.1.1/dist/extension.js:2:150449
	at process.processTicksAndRejections (node:internal/process/task_queues:105:5) extension.ai-commit {"value":"sitoi.ai-commit","_lower":"sitoi.ai-commit"}

[connorhvnsen]

ditto

2025-09-23 04:37:35.290 [error] Error: An unexpected error occurred
    at .../.vscode/extensions/sitoi.ai-commit-0.1.1/dist/extension.js:2:150449
    at processTicksAndRejections (node:internal/process/task_queues:105:5) extension.ai-commit {"value":"sitoi.ai-commit","_lower":"sitoi.ai-commit"}