Add end of life dates

Author: NolwennP

content/php-client/getting-started.md

@@ -9,12 +9,12 @@
 
 Below you will find which PHP client version to use depending on your PIM version.
 
-| PIM version | API PHP client version |
-|--------|----|
-| v2.0  | v1.0 |
-| v2.1 - v2.2 | v2.0 |
-| v2.3 | v3.0 | 
-| v3.0 | v4.0 | 
+| PIM version | API PHP client version | End of life |
+|--------|----|----|
+| v2.0  | v1.0 | March 2019 |
+| v2.1 - v2.2 | v2.0 | March 2019 |
+| v2.3 | v3.0 | December 2019 |
+| v3.0 | v4.0 | August 2020 |
 
 ::: info
 Note that our PHP client is backward compatible.