Introduce pasting of email address to select the domain also to mail forwards and aliases

Closes #6694

See merge request ispconfig/ispconfig3!1887

Update supported Debian /Ubuntu versions

See merge request ispconfig/ispconfig3!1893

Add final newline to the autorized_keys file, #6697

See merge request ispconfig/ispconfig3!1892

Add comment to identity master.cf sections

Closes #6696

See merge request ispconfig/ispconfig3!1888

Fix access of non existing variable backup.inc.php

See merge request ispconfig/ispconfig3!1884

Fix access of non existing variable backup.inc.php

See merge request ztk.me/ispconfig3!2

in file server/lib/classes/backup.inc.php
The restoreBackupWebFiles method gets passed a $filename
In one branche it is getting concatenated into $full_filename
This fixes the variable name from $full_filename to $filename on line 451
Line 451 is outside the branch described above

Update the serial after the actual insert, #6690

Closes #6690

See merge request ispconfig/ispconfig3!1883

Fix Error in scheduled jobs due to PHP 8 incompatibility, #6682

Closes #6682

See merge request !1879

Avoid two warnings about ufw not being set

See merge request !1880

Content aware page title for Additional PHP Versions, #6545

Closes #6545

See merge request !1877

Initialize state_out eralier, for case with no actions, #6591

Closes #6591

See merge request !1878

Resolve "ISPConfig CLI command"

Closes #6639

See merge request ispconfig/ispconfig3!1847

Implements #6639 - Initial commit for ISPConfig CLI command framework with some first basic modules as examples. More to be added

Merge branch '6679-set-name-for-ispconfig-session-cookie-and-configure-ids-to-scan-this-cookie-only' into 'develop'

Resolve "Set name for ISPConfig session cookie and configure IDS to scan this cookie only"

Closes #1876 and #6679

See merge request ispconfig/ispconfig3!1876

Resolve "Set PATH variable in update script"

Closes #6681

See merge request ispconfig/ispconfig3!1875

Fix PHP 8 warning from cronjob_jailkit_maintenance, #6680

Closes #6680

See merge request !1874

Resolve "Rspamd R_DUMMY Symbol is missing on some systems"

Closes #6654

See merge request !1872

Resolve "Add amazontrust.com CA"

Closes #6662

See merge request ispconfig/ispconfig3!1871

Resolve "Menu item title link shall use target of the first item"

Closes #6663

See merge request ispconfig/ispconfig3!1870