Introduced ErrHTTPChallengeRequired as a sentinel error and updated the renewal flow to use errors.Is() for type-safe error checking instead of string matching. Signed-off-by: Bryan Frimin <bryan@getprobo.com>
Introduced ErrHTTPChallengeRequired as a sentinel error and updated the renewal flow to use errors.Is() for type-safe error checking instead of string matching. Signed-off-by: Bryan Frimin <bryan@getprobo.com>