[RELEASE] Released version 3.0.0

[RELEASE] Released version 3.0.0

Released version 3.0.0 with the following main changes :
    - MINOR: sample: implement the uptime sample fetch
    - CI: scripts: fix build of vtest regarding option -C
    - CI: scripts: build vtest using multiple CPUs
    - MINOR: log: rename 'log-format tag' to 'log-format alias'
    - DOC: config: document logformat item naming and typecasting features
    - BUILD: makefile: yearly reordering of objects by build time
    - BUILD: fd: errno is also needed without poll()
    - DOC: config: fix two typos "RST_STEAM" vs "RST_STREAM"
    - DOC: config: refer to the non-deprecated keywords in ocsp-update on/off
    - DOC: streamline http-reuse and connection naming definition
    - REGTESTS: complete http-reuse test with pool-conn-name
    - DOC: config: add %ID logformat alias alternative
    - CLEANUP: ssl/ocsp: readable ifdef in ssl_sock_load_ocsp
    - BUG/MINOR: ssl/ocsp: init callback func ptr as NULL
    - CLEANUP: ssl_sock: move dirty openssl-1.0.2 wrapper to openssl-compat
    - BUG/MINOR: activity: fix Delta_calls and Delta_bytes count
    - CI: github: upgrade the WolfSSL job to 5.7.0
    - DOC: install: update quick build reminders with some missing options
    - DOC: install: update the range of tested openssl version to cover 3.3
    - DEV: patchbot: prepare for new version 3.1-dev
    - MINOR: version: mention that it's 3.0 LTS now.