Merge pull request #11190 from dotty-staging/fix-issue-template

Add compiler version to issue template

Author: liufengyun

.github/ISSUE_TEMPLATE/bug.md

@@ -7,6 +7,13 @@ assignees: ''
 
 ---
 
+## Compiler version
+
+``` bash
+# get compiler version via command line
+scalac -version
+```
+
 ## Minimized code
 
 ```Scala

.github/ISSUE_TEMPLATE/crash.md

@@ -7,6 +7,13 @@ assignees: ''
 
 ---
 
+## Compiler version
+
+``` bash
+# get compiler version via command line
+scalac -version
+```
+
 ## Minimized code
 
 ```Scala

.github/ISSUE_TEMPLATE/other-issue.md

@@ -4,9 +4,15 @@ about: Report an issue about the Dotty Compiler (not bug or crash)
 title: ''
 labels:
 assignees: ''
-
 ---
 
+## Compiler version
+
+``` bash
+# get compiler version via command line
+scalac -version
+```
+
 ## Minimized example
 
 ```Scala