Update stable version in repo from 1.2.3 to 1.2.6

[GermanBluefox]

Think about update stable version to 1.2.6

Version: stable=1.2.3 (157 days old) => latest=1.2.6 (15 days old)
Installs: stable=91 (60.26%), latest=28 (18.54%), total=151
Click to edit

[schmupu]

done