Eglot: bump to 1.16

* etc/EGLOT-NEWS: Update.

* lisp/progmodes/eglot.el (Version): Bump to 1.15
(Package-Requires): Bump jsonrpc depedency to 1.23
1 job for master in 7 minutes and 25 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Normal
failed #78998
test-lisp-inotify

00:07:25

 
Name Stage Failure
failed
test-lisp-inotify Normal
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
$ find ${test_name} -type d -depth -exec rmdir {} + 2>/dev/null
Uploading artifacts...
test-lisp-inotify-c5a4366b/: found 119 matching files
Uploading artifacts to coordinator... ok
id=78998 responseStatus=201 Created token=Gsd1bjzg
Uploading artifacts...
test-lisp-inotify-c5a4366b/junit-test-report.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=78998 responseStatus=201 Created token=Gsd1bjzg
ERROR: Job failed: exit code 2