[RelEng] Set publication time at release day to 10:00 UTC

Author: HannesWell

JenkinsJobs/Releng/sendAnnouncement.jenkinsfile

@@ -93,7 +93,7 @@ pipeline {
 								  - [ ] Submit the pending PRs in this repository to update build scripts to ${releaseVersion} GA on master and the ${releaseVersion}-maintenance branch
 
 								### Release day
-								at ${eclipseReleaseDates.GA.format(dateFormat)} 15:00 UTC
+								at ${eclipseReleaseDates.GA.format(dateFormat)} 10:00 UTC
 								  - [ ] [Publish the staged ${releaseVersion} release build](${releaseDocURL}#make-the-release-visible)
 
 								### Clean-up after release

RELEASE.md

@@ -107,7 +107,7 @@ The actual steps to release
     - Submit these PRs now.
 
 **Wednesday**
-The release is scheduled for 15:00 UTC.
+The release is scheduled for 10:00 UTC.
 
   - #### Make the Release Visible
     - Run the [Publish Promoted Build](https://ci.eclipse.org/releng/job/Releng/job/publishPromotedBuild/) job in Releng jenkins to make the promoted build visible on the download page.