Use stable-3.2 branch

Author: thom

README.md

@@ -1,7 +1,7 @@
 # ISPConfig - Hosting Control Panel
 
 Nightly (master): [![pipeline status](https://git.ispconfig.org/ispconfig/ispconfig3/badges/master/pipeline.svg)](https://git.ispconfig.org/ispconfig/ispconfig3/commits/master)   
-Stable branch: [![pipeline status](https://git.ispconfig.org/ispconfig/ispconfig3/badges/stable-3.1/pipeline.svg)](https://git.ispconfig.org/ispconfig/ispconfig3/commits/stable-3.1)
+Stable branch: [![pipeline status](https://git.ispconfig.org/ispconfig/ispconfig3/badges/stable-3.2/pipeline.svg)](https://git.ispconfig.org/ispconfig/ispconfig3/commits/stable-3.2)
 
 
 - Manage multiple servers from one control panel
@@ -11,4 +11,4 @@ Stable branch: [![pipeline status](https://git.ispconfig.org/ispconfig/ispconfig
 - Virtualization (OpenVZ)
 - Administrator, reseller and client login
 - Configuration mirroring and clusters
-- Open Source software (BSD license)
+- Open Source software (BSD license)