Update Documentation page for 2023-09 R release

We need to update the documentation links for next week's release.

Refer to the git history to see what needs to be changed.

https://gitlab.eclipse.org/eclipsefdn/it/webdev/eclipsefdn-webdev-toolkit/-/wikis/Documentation/Processes/EPP-Release

changed due date to September 06, 2023

added priorityhigh severitymajor statetodo team:webdev labels

assigned to @oliviergoulet

marked this issue as blocking eclipseide.org#70 (closed)

mentioned in merge request !97 (merged)

added statereview label and removed statetodo label

mentioned in commit 7d0a98c5

closed with merge request !97 (merged)