Fix the GitHub issue template

Add description of how to find the installed framework version in CMS for 4.3.0 and later.

Fixes #8530

.github/ISSUE_TEMPLATE.md

@@ -1,7 +1,9 @@
 ## Affected Version
 
 Show version numbers by pasting the output of `composer info --direct`.
-Alternatively, hover over the SilverStripe logo in the CMS to basic version information.
+Alternatively, get the framework version information from the CMS.
+In SilverStripe 4.3 and newer you may find the Help menu in the bottom left corner, unfold it and hover over the version number to get the information.
+Otherwise, simply hover over the SilverStripe logo in the bottom left corner of the CMS.
 
 ## Description
 
@@ -11,4 +13,4 @@ Please read https://docs.silverstripe.org/en/contributing/issues_and_bugs/
 
 ## Steps to Reproduce
 
-Help us with step-by-step instructions.
+Help us with step-by-step instructions.