[RELEASE] Released version 2.8-dev4

Released version 2.8-dev4 with the following main changes :
    - BUG/MINOR: stats: fix source buffer size for http dump
    - BUG/MEDIUM: stats: fix resolvers dump
    - BUG/MINOR: stats: fix ctx->field update in stats_dump_proxy_to_buffer()
    - BUG/MINOR: stats: fix show stats field ctx for servers
    - BUG/MINOR: stats: fix STAT_STARTED behavior with full htx
    - MINOR: quic: Update version_information transport parameter to draft-14
    - BUG/MINOR: stats: Prevent HTTP "other sessions" counter underflows
    - BUG/MEDIUM: thread: fix extraneous shift in the thread_set parser
    - BUG/MEDIUM: listener/thread: bypass shards setting on failed thread resolution
    - BUG/MINOR: ssl/crt-list: warn when a line is malformated
    - BUG/MEDIUM: stick-table: do not leave entries in end of window during purge
    - BUG/MINOR: clock: do not mix wall-clock and monotonic time in uptime calculation
    - BUG/MEDIUM: cache: use the correct time reference when comparing dates
    - MEDIUM: clock: force internal time to wrap early after boot
    - BUILD: ssl/ocsp: ssl_ocsp-t.h depends on ssl_sock-t.h
    - MINOR: ssl/ocsp: add a function to check the OCSP update configuration
    - MINOR: cfgparse/server: move (min/max)conn postparsing logic into dedicated function
    - BUG/MINOR: server/add: ensure minconn/maxconn consistency when adding server
    - BUG/MEDIUM: stconn: Schedule a shutw on shutr if data must be sent first
    - BUG/MEDIUM: quic: fix crash when "option nolinger" is set in the frontend
    - MINOR: quic: implement a basic "show quic" CLI handler
    - MINOR: quic: display CIDs and state in "show quic"
    - MINOR: quic: display socket info on "show quic"
    - MINOR: quic: display infos about various encryption level on "show quic"
    - MINOR: quic: display Tx stream info on "show quic"
    - MINOR: quic: filter closing conn on "show quic"
    - BUG/MINOR: quic: fix filtering of closing connections on "show quic"
    - BUG/MEDIUM: stconn: Don't needlessly wake the stream on send during fast-forward
    - BUG/MINOR: quic: fix type bug on "show quic" for 32-bits arch
    - BUG/MINOR: mworker: fix uptime for master process
    - BUG/MINOR: clock/stats: also use start_time not start_date in HTML info
    - BUG/MEDIUM: stconn: stop to enable/disable reads from streams via si_update_rx
    - BUG/MEDIUM: quic: Buffer overflow when looking through QUIC CLI keyword list
    - DOC: proxy-protocol: fix wrong byte in provided example
    - MINOR: ssl-ckch: Stop to test CF_WRITE_ERROR to commit CA/CRL file
    - MINOR: bwlim: Remove useless test on CF_READ_ERROR to detect the last packet
    - BUG/MINOR: http-ana: Fix condition to set LAST termination flag
    - BUG/MINOR: mux-h1: Don't report an H1C error on client timeout
    - BUG/MEDIUM: spoe: Don't set the default traget for the SPOE agent frontend
    - BUG/MINOR: quic: Wrong datagram dispatch because of qc_check_dcid()
    - BUG/CRITICAL: http: properly reject empty http header field names
diff --git a/VERSION b/VERSION
index cbe3fac..262c812 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.8-dev3
+2.8-dev4