[MAINT] Use gofmt to rewrite unwanted patterns

[deiga]

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Before the change?

• Codebase had unwanted patterns and no automatic protection against them

After the change?

• Configure gofmt to rewrite:
  • skipUnlessMode(t, enterprise) to skipUnlessEnterprise(t)
  • parseTwoPartID with parseID2
  • parseThreePartID with parseID3
  • usage of wrapErrors with single fmt.Errorf with diag.Errorf
  • unnecessary diag.FromErr(fmt.Errof( calls
  • usage of wrapErrors with single err element with diag.FromErr
• Replace usage of wrapErrors directly with diag.Diagnostics
• Fix github_branch_protection migration test to be unit tests
• Replace all unnecessary context.Background() in tests with t.Context()

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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