Merge pull request #1206 from vvoland/prtemplate

github: Simplify PR template and adjust changelog section

Author: thaJeztah

.github/PULL_REQUEST_TEMPLATE.md

@@ -15,16 +15,16 @@ Please provide the following information:
 
 **- What I did**
 
-**- How I did it**
-
-**- How to verify it**
 
 **- Description for the changelog**
 <!--
 Write a short (one line) summary that describes the changes in this
-pull request for inclusion in the changelog:
--->
+pull request for inclusion in the changelog.
+It must be placed inside the below triple backticks section.
 
+NOTE: Only fill this section if changes introduced in this PR are user-facing.
+The PR must have a relevant impact/ label.
+-->
+```markdown changelog
 
-**- A picture of a cute animal (not mandatory but encouraged)**
-
+```