curl and libcurl 7.69.0

 Public curl releases:         189
 Command line options:         229
 curl_easy_setopt() options:   269
 Public functions in libcurl:  82
 Contributors:                 2088

This release includes the following changes:

 o wolfSSH: new support SSH backend [5]

This release includes the following bugfixes:

 o cmake: Enable SMB for Windows builds [12]
 o cmake: Improve libssh2 check on Windows [8]
 o connection reuse: respect the max_concurrent_streams limits [3]
 o curl: make #0 not output the full URL [4]
 o curl: remove 'config' field from OutStruct [6]
 o hostip: move code to resolve IP address literals to `Curl_resolv` [13]
 o include: remove non-curl prefixed defines [15]
 o libssh2: add support for forcing a hostkey type [7]
 o multi: Change curl_multi_wait/poll to error on negative timeout [11]
 o ngtcp2: Add an error code for QUIC connection errors [10]
 o runtests: make random seed fixed for a month [1]
 o schannel: Make CURLOPT_CAINFO work better on Windows 7 [9]
 o tool_dirhie: Allow directory traversal during creation [2]
 o vtls: Refactor Curl_multissl_version to make the code clearer [14]

This release includes the following known bugs:

 o see docs/KNOWN_BUGS (https://curl.haxx.se/docs/knownbugs.html)

This release would not have looked like this without help, code, reports and
advice from friends like these:

  Brian Carpenter, Daniel Stenberg, Emil Engler, Faizur Rahman,
  hamstergene on github, Jeroen Ooms, Johannes Schindelin, Kunal Ekawde,
  Marc Aldorasi, Marcel Raad, mbeifuss on github, Ray Satiro, Santino Keupp,
  vshmuk on hackerone,
  (14 contributors)

        Thanks! (and sorry if I forgot to mention someone)

References to bug reports and discussions on issues:

 [1] = https://curl.haxx.se/bug/?i=4734
 [2] = https://curl.haxx.se/bug/?i=4796
 [3] = https://curl.haxx.se/bug/?i=4779
 [4] = https://curl.haxx.se/bug/?i=4812
 [5] = https://daniel.haxx.se/blog/2020/01/12/curl-even-more-wolfed/
 [6] = https://curl.haxx.se/bug/?i=4807
 [7] = https://curl.haxx.se/bug/?i=4747
 [8] = https://curl.haxx.se/bug/?i=4804
 [9] = https://curl.haxx.se/bug/?i=3711
 [10] = https://curl.haxx.se/bug/?i=4754
 [11] = https://curl.haxx.se/bug/?i=4763
 [12] = https://curl.haxx.se/bug/?i=4717
 [13] = https://curl.haxx.se/bug/?i=4798
 [14] = https://curl.haxx.se/bug/?i=4803
 [15] = https://curl.haxx.se/bug/?i=4793