Unify exception handler in storage_buckets_crawler

[mshudrak]

This PR fixes an inconsistency of exceptions handling in storage_buckets_crawler and the rest of crawlers.

In some cases, request can raise not HTTP related error which would stop GCP scanner execution.

Description

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Changes Made

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Checklist

• [ ] I have read and followed the contributing guidelines.
• [ ] I have tested my changes thoroughly and they work as expected.
• [ ] I have added necessary tests for the changes made.
• [ ] I have updated the documentation to reflect the changes made.
• [ ] My code follows the project's coding style and standards.
• [ ] I have added appropriate commit messages and comments for my changes.

Related Issues

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Additional Notes

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