curl and libcurl 7.87.1

 Public curl releases:         213
 Command line options:         249
 curl_easy_setopt() options:   302
 Public functions in libcurl:  91
 Contributors:                 2781

This release includes the following changes:

 o share: add sharing of HSTS cache among handles [7]
 o tool_operate: share HSTS between handles
 o urlapi: add CURLU_PUNYCODE [25]

This release includes the following bugfixes:

 o cfilters:Curl_conn_get_select_socks: use the first non-connected filter [24]
 o cmake: bump requirement to 3.7 [23]
 o cmake: fix the snprintf detection [5]
 o docs: mention indirect effects of --insecure [19]
 o ftpserver: lower the normal DATA connect timeout to speed up torture tests [27]
 o haxproxy: send before TLS handhshake [34]
 o hsts: handle adding the same host name again
 o HTTP3: mention what needs to be in place to remove EXPERIMENTAL label [31]
 o http: remove the trace message "Mark bundle... multiuse" [6]
 o libssh2: try sha2 algos for hostkey methods [2]
 o Makefile.mk: fix wolfssl and mbedtls default paths [21]
 o md4: fix build with GnuTLS + OpenSSL v1 [12]
 o misc: fix grammar and spelling [14]
 o msh3: add support for request payload [28]
 o msh3: update to v0.5 Release [17]
 o multihandle: turn bool struct fields into bits [26]
 o openssl: remove attached easy handles from SSL instances [29]
 o runtests: also tear down http2/http3 servers when https server is stopped [8]
 o runtests: make 'mbedtls' a testable feature
 o SECURITY-PROCESS.md: document severity levels [20]
 o socketpair: allow localhost MITM sniffers [30]
 o strdup: name it Curl_strdup [16]
 o tests: add 3 new HTTP/2 test cases, plus https: support for nghttpx [9]
 o tests: avoid use of sha1 in certificates [4]
 o tool_operate: fix `CURLOPT_SOCKS5_GSSAPI_NEC` type [1]
 o transfer: break the read loop when RECV is cleared [22]
 o typecheck: accept expressions for option/info parameters [3]
 o urldata: make 'ftp_create_missing_dirs' depend on FTP || SFTP [13]
 o urldata: make set.http200aliases conditional on HTTP being present [11]
 o urldata: move the cookefilelist to the 'set' struct [15]
 o urldata: remove unused struct fields, made more conditional [10]
 o workflows/linux.yml: merge 3 common packages [18]
 o writeout: add %{certs} and %{num_certs} [33]

This release includes the following known bugs:

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

Planned upcoming removals include:

 o NSS
 o Support for systems without 64 bit data types

 See https://curl.se/dev/deprecate.html for details

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

  Andy Alt, Daniel Stenberg, Esdras de Morais da Silva, Hannah Schierling,
  Harry Sintonen, Hide Ishikawa, John Bampton, Marcel Raad, Martin Waleczek,
  Nick Banks, nick-telia on github, norbertmm on github, Patrick Monnerat,
  Paul Howarth, Radu Hociung, Ryan Schmidt, Sergio-IME on github,
  SerusDev on github, Stefan Eissing, Thomas Klausner, Viktor Szakats,
  Yurii Rashkovskii
  (22 contributors)

References to bug reports and discussions on issues:

 [1] = https://curl.se/bug/?i=10124
 [2] = https://curl.se/bug/?i=10143
 [3] = https://curl.se/bug/?i=10148
 [4] = https://curl.se/bug/?i=10135
 [5] = https://curl.se/bug/?i=10155
 [6] = https://curl.se/bug/?i=10159
 [7] = https://curl.se/bug/?i=10138
 [8] = https://curl.se/bug/?i=10114
 [9] = https://curl.se/bug/?i=10114
 [10] = https://curl.se/bug/?i=10147
 [11] = https://curl.se/bug/?i=10140
 [12] = https://curl.se/bug/?i=10110
 [13] = https://curl.se/bug/?i=10139
 [14] = https://curl.se/bug/?i=10137
 [15] = https://curl.se/bug/?i=10133
 [16] = https://curl.se/bug/?i=10132
 [17] = https://curl.se/bug/?i=10125
 [18] = https://curl.se/bug/?i=10071
 [19] = https://curl.se/bug/?i=10126
 [20] = https://curl.se/bug/?i=10118
 [21] = https://curl.se/bug/?i=10164
 [22] = https://curl.se/bug/?i=10172
 [23] = https://curl.se/bug/?i=10128
 [24] = https://curl.se/bug/?i=10157
 [25] = https://curl.se/bug/?i=10109
 [26] = https://curl.se/bug/?i=10179
 [27] = https://curl.se/bug/?i=10178
 [28] = https://curl.se/bug/?i=10136
 [29] = https://curl.se/bug/?i=10151
 [30] = https://curl.se/bug/?i=10144
 [31] = https://curl.se/bug/?i=10168
 [33] = https://curl.se/bug/?i=10019
 [34] = https://curl.se/bug/?i=10165