Pending RELEASE-NOTES for the upcoming release

This is work in progress and will change before the release goes public on 2023-11-08.

Changes:

Bugfixes:

• cmake: fix the help text to the static build option in CMakeLists.txt
• cookie: do not store the expire or max-age strings
• cookie: remove unnecessary struct fields
• cookie: set ->running in cookie_init even if data is NULL
• doh: inherit DEBUGFUNCTION/DATA
• escape: replace Curl_isunreserved with ISUNRESERVED
• h2-proxy: remove left-over mistake in drain_tunnel()
• http: use per-request counter to check too large headers
• http_aws_sigv4: fix sorting with empty parts
• lib: failf/infof compiler warnings
• MANUAL.md: change domain to example.com
• misc: better random strings
• quiche: fix build error with --with-ca-fallback
• runtests: eliminate a warning on old perl versions
• test1056: disable on Windows
• test1592: greatly increase the maximum test timeout
• test2600: remove special case handling for USE_ALARM_TIMEOUT
• test650: fix an end tag typo
• test661: return from test early in case of curl error
• tests: improve SLOWDOWN test reliability by reducing sent data
• tests: log the test result code after each libtest
• tests: stop overriding the lock timeout
• tool_cb_wrt: fix debug assertion

Contributors:

calvin2021y on github, Dan Fandrich, Daniel Stenberg, Douglas R. Reno, Gisle Vanem, Harry Sintonen, John Haugabook, Joshix-1 on github, Junho Choi, Mathias Fuchs, Peter Wang, Ray Satiro, vvb2060, 南宫雪珊