Merge pull request openrocket#2620 from JoePfeiffer/update-installer-…

…filenames

update installer media names

Update 23.09 date

Merge pull request openrocket#2023 from SiboVG/unstable

Set final release notes date

Merge pull request openrocket#1696 from neilweinstock/beta5-release-n…

…otes

Update ReleaseNotes.md

Merge pull request openrocket#1457 from neilweinstock/b4-release-notes

Final release notes update for beta 4

Merge pull request openrocket#1363 from SiboVG/unstable

Update release note's date

Update release date

Merge pull request openrocket#1161 from SiboVG/unstable

Update SoftwareUpdater to use .sh for Linux update

Merge branch 'master' of https://github.com/openrocket/openrocket

Conflicts:
	core/fileformat.txt

Tag for release 14.11.