fix: Fix errors as nil bomb

[stevehipwell]

Resolves #2989

This fixes a regression introduced in #2864.

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Before the change?

• Some data sources can panic if an error is thrown
• CI workflows wasn't linting

After the change?

• The cause of the panic has been resolved
• The errors.As() pattern has been cleaned up for consistency
• CI workflow lints

Pull request checklist

• Schema migrations have been created if needed (example)
• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)

Does this introduce a breaking change?

Please see our docs on breaking changes to help!

• Yes
• No

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[github-actions]

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