style(pillar.example): add line break

pillar.example

@@ -22,7 +22,8 @@ php:
     #   - "7.3"
     #   - "7.2"
 
-    # set the version for the Debian alternatives system, when using a list of versions, otherwise php:ng:version is used.
+    # set the version for the Debian alternatives system, when using a list of versions,
+    # php:ng:version is used otherwise.
     alternatives_version: "7.3"
 
     # this section contains mostly grain filtered data, while overrides