fix typo on bug report template (#221)

fix incorrect location of colon in environment section on bug report template

Co-authored-by: Behrang Yarahmadi <[email protected]>

Author: DetachHead

.github/ISSUE_TEMPLATE/bug_report.md

@@ -19,7 +19,7 @@ assignees: ''
 
 **Your Environment**
  * **Prettier version**: 2.x.x
- * **node version** [12.x.x, 14.x.x]:
+ * **node version**: [12.x.x, 14.x.x]
  * **package manager**: [npm@7, pnpm@6, yarn@2]
  * **IDE**: [VScode, Webstorm, CLI]
 
@@ -59,4 +59,4 @@ Be aware, the lack of reproducible steps the issue might cause your ticket to be
 <!--
 
 IMPORTANT: please do not attach external files, all content should be visible from any device.
--->
+-->