curl and libcurl 7.80.0

 Public curl releases:         204
 Command line options:         242
 curl_easy_setopt() options:   290
 Public functions in libcurl:  85
 Contributors:                 2489

This release includes the following changes:

 o libssh2: add SHA256 fingerprint support [4]

This release includes the following bugfixes:

 o ci: update Lift config to match requirements of curl build [1]
 o cleanup: constify unmodified static structs [2]
 o cmake: with OpenSSL, define OPENSSL_SUPPRESS_DEPRECATED [14]
 o curl-openssl: pass argument to sed single-quoted [15]
 o examples/imap-append: fix end-of-data check [7]
 o libcurl.rc: switch out the copyright symbol for plain ASCII [5]
 o libssh2: Get the version at runtime if possible [12]
 o llist: remove redundant code, branch will not be executed [10]
 o misc: fix typos in docs and comments [3]
 o ngtcp2: fix QUIC transport parameter version [6]
 o vtls: Fix a memory leak if an SSL session cannot be added to the cache [8]

This release includes the following known bugs:

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

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

  a1346054 on github, Alexander Chuykov, Daniel Stenberg, h1zzz on github,
  Jakub Zakrzewski, Joel Depooter, Jun-ya Kato, Mats Lindestam,
  Michael Kaufmann, Momoka Yamamoto, Randall S. Becker, Ray Satiro,
  Rikard Falkeborn, Thomas M. DuBuisson, tlahn on github, Viktor Szakats,
  Vitaly Varyvdin,
  (17 contributors)

References to bug reports and discussions on issues:

 [1] = https://curl.se/bug/?i=7761
 [2] = https://curl.se/bug/?i=7759
 [3] = https://curl.se/bug/?i=7747
 [4] = https://curl.se/bug/?i=7646
 [5] = https://curl.se/bug/?i=7765
 [6] = https://curl.se/bug/?i=7771
 [7] = https://curl.se/bug/?i=7774
 [8] = https://curl.se/bug/?i=7683
 [10] = https://curl.se/bug/?i=7770
 [12] = https://curl.se/bug/?i=7768
 [14] = https://curl.se/bug/?i=7767
 [15] = https://curl.se/bug/?i=7758