apache: Update to 2.4.57

apache: Update to 2.4.57

For details see:
https://dlcdn.apache.org/httpd/CHANGES_2.4.57

"Changes with Apache 2.4.57

  *) mod_proxy: Check before forwarding that a nocanon path has not been
     rewritten with spaces during processing.  [Yann Ylavic]

  *) mod_proxy: In case that AllowEncodedSlashes is set to NoDecode do not
     double encode encoded slashes in the URL sent by the reverse proxy to the
     backend. [Ruediger Pluem]

  *) mod_http2: fixed a crash during connection termination. See PR 66539.
     [Stefan Eissing]

  *) mod_rewrite: Fix a 2.4.56 regression for substitutions ending
     in a question mark. PR66547. [Eric Covener]

  *) mod_rewrite: Add "BCTLS" and "BNE" RewriteRule flags. Re-allow encoded
     characters on redirections without the "NE" flag.
     [Yann Ylavic, Eric Covener]

  *) mod_proxy: Fix double encoding of the uri-path of the request forwarded
     to the origin server, when using mapping=encoded|servlet.  [Yann Ylavic]

  *) mod_mime: Do not match the extention against possible query string
     parameters in case ProxyPass was used with the nocanon option.
     [Ruediger Pluem]"

Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org>