Extend post path normalization actions to other normalization transformations

[yanavlasov]

Presently only decoding %2F allows rejecting or redirecting of requests. This needs to be extended to other operations.

Extends Issue #6589

Action item for CVE-2021-29492

[antoniovicente]

@yanavlasov I assume you're helping define what the extended normalization transformation options will look like.

[github-actions]

This issue has been automatically marked as stale because it has not had activity in the last 30 days. It will be closed in the next 7 days unless it is tagged "help wanted" or "no stalebot" or other activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically closed because it has not had activity in the last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as "help wanted" or "no stalebot". Thank you for your contributions.