Fix formatting :clown:

Author: fatso83

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -1,7 +1,7 @@
 ---
 name: Bug report
 description: Create a report to help us improve
-labels:  Bug,Unverified
+labels: Bug,Unverified
 ---
 
 **Describe the bug**
@@ -25,8 +25,11 @@ If applicable, add screenshots to help explain your problem.
 
 - Sinon version : _please verify that the bug exists in the latest Sinon release_
 - Output of `npx envinfo --browsers --binaries`:
+
 ```
+
 ```
+
 - Other relevant environmental info:
 - Other libraries you are using:
 - Example URL: <!-- if applicable, for instance a demo on RunKit or Code Sandbox -->