chg: officially support Debian 12, drop Debian 9

Author: speed47

README.md

@@ -72,7 +72,7 @@ Also don't forget to customize your `bastion.conf` file, which can be found in `
 
 Linux distros below are tested with each release, but as this is a security product, you are **warmly** advised to run it on the latest up-to-date stable version of your favorite OS:
 
-- Debian 11 (Bullseye), 10 (Buster), 9 (Stretch)
+- Debian 12 (Bookworm), 11 (Bullseye), 10 (Buster)
 - CentOS 7.x
 - RockyLinux 8.x, 9.x
 - Ubuntu LTS 22.04, 20.04, 18.04, 16.04

doc/CHANGELOG.md

@@ -2,7 +2,7 @@
 - feat: add 2 configurable knobs to ``(self|account)AddPersonalAccess``
 - feat: add dryrun in ``access_modify()`` and widest prefix precondition check
 - feat: plugins: add loadConfig parameter & config validator support
-- chg: remove Debian 9 tests and dockerfile
+- chg: drop support for Debian 9, add support for Debian 12
 - fix: ``accountList``: crash in some cases
 - fix: add missing autocompletions, readonly flags and help category for some plugins
 - fix: update undocumented ``rename-group.sh`` script

doc/sphinx/installation/basic.rst

@@ -32,7 +32,7 @@ some of the below steps will be done by Puppet. Hence, you might want to only co
 The following Linux distros are tested with each release, but as this is a security product,
 you are *warmly* advised to run it on the latest up-to-date stable version of your favorite OS:
 
-- Debian 11 (Bullseye), 10 (Buster), 9 (Stretch)
+- Debian 12 (Bookworm), 11 (Bullseye), 10 (Buster)
 - CentOS 7.x
 - RockyLinux 8.x, 9.x
 - Ubuntu LTS 22.04, 20.04, 18.04, 16.04

doc/sphinx/installation/upgrading.rst

@@ -30,7 +30,11 @@ Version-specific upgrade instructions
 v3.12.00 - 2023/06/27
 *********************
 
-No specific upgrade instructions.
+Support for Debian 9 has been dropped. This doesn't mean that the code will suddenly stop working under this version,
+but that tests no longer include this OS. Please consider upgrading to a more recent OS, as ensuring the underlying
+OS is up to date and still supported is paramount to the security of The Bastion (or any other software).
+
+Support of Debian "Bookworm" 12 is now official, as this is now Debian stable.
 
 v3.11.02 - 2023/04/18
 *********************