Updated 14.0-RELEASE schedule

This is the updated schedule for the 14.0-RELEASE release cycle, which
will begin August 4, 2023.  The schedule for the release cycle is:

 head slush/KBI freeze:   August 4, 2023
 [... ALPHA builds ...]:  TBD
 stable/14 branch:        August 18, 2023
 [... ALPHA builds ...]:  TBD
 releng/14.0 branch:      September 8, 2023
 BETA 1 build starts:     September 8, 2023
 doc/ tree slush:         September 10, 2023
 BETA2 build starts:      September 15, 2023
 BETA3 build starts:      September 22, 2023 [*]
 doc/ tree tag:           September 24, 2023
 RC1 build starts:        September 29, 2023
 ports quarterly branch:  October 1, 2023
 RC2 build starts:        October 6, 2023
 RC3 build starts:        October 13, 2023 [*]
 RELEASE build starts:    October 20, 2023
 RELEASE announcement:    October 23, 2023
 Branch EoL:              October 31, 2028

 [*]   - If needed

The schedule is also be available on the FreeBSD Project website at:

  https://www.freebsd.org/releases/14.0R/schedule/

Thank you for your patience during the delay while we continue to bring
high quality releases.

And, of course, thank you to everyone involved in helping get us past
the blocking items for this release.

Glen
On behalf of:	re@

You can help me continue work on FreeBSD:
https://www.gofundme.com/f/gjbbsd