updated version to 2.10.0

Author: rswamina

_episodes/02-installation.md

@@ -2,7 +2,7 @@
 title: "Installation"
 teaching: 10
 exercises: 10
-compatibility: ESMValTool v2.8.0
+compatibility: ESMValTool v2.10.0
 questions:
 - "What are the prerequisites for installing ESMValTool?"
 - "How do I confirm that the installation was successful?"
@@ -229,8 +229,8 @@ to display the command line help.
 > > {: .bash}
 > > The version of ESMValTool installed should be displayed on the screen as:
 > > ~~~
-> > ESMValCore: 2.8.0
-> > ESMValTool: 2.8.0
+> > ESMValCore: 2.10.0
+> > ESMValTool: 2.10.0
 > > ~~~
 > > {: .output}
 > Note that on HPC servers such as JASMIN, sometimes a more recent development