Sanitize *auth* instead of authorization

[basepi]

What does this pull request do?

Changes the default for sanitize_field_names to sanitize *auth* instead of authorization

Related issues

Closes #1430

[ghost]

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• Start Time: 2022-03-23T18:19:52.150+0000

• Duration: 20 min 26 sec

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Test	Results
Failed	0
Passed	4842
Skipped	3207
Total	8049

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[basepi]

/test

[basepi]

The integration tests did pass, Github is still being slow. @beniwohli ready for review.