Backport of fdabda4 from main.

Backport of 37f2a77 from main.

Backport of c861563 from main.

…tifacts filenames.

Backport of 42ab993 from main.

Backport of 8970468 from main.

…from `log_response()`.

Backport of ad6f998 from main.

…usable apps tutorial for PEP 625.

Backport of 1307b8a from main.

Backport of 1a74434 from main.

…response()`.

Suitably crafted requests containing a CRLF sequence in the request
path may have allowed log injection, potentially corrupting log files,
obscuring other attacks, misleading log post-processing tools, or
forging log entries.

To mitigate this, all positional formatting arguments passed to the
logger are now escaped using "unicode_escape" encoding.

Thanks to Seokchan Yoon (https://ch4n3.kr/) for the report.

Co-authored-by: Carlton Gibson <carlton@noumenal.es>
Co-authored-by: Jake Howard <git@theorangeone.net>

Backport of a07ebec from main.