Refine bug report template formatting (#7655)

Author: u01jmg3

build/target-repository/.github/ISSUE_TEMPLATE/1_Bug_report.md

@@ -8,9 +8,9 @@ about: Report errors and problems
 
 <!-- First, thank you for reporting a bug. That takes time and we appreciate that! -->
 
-| Subject        | Details                                                         |
-| :------------- | :---------------------------------------------------------------|
-| Rector version | e.g. v1.0.0 (invoke `vendor/bin/rector --version`)             |
+| Subject        | Details                                            |
+| :------------- | :------------------------------------------------- |
+| Rector version | e.g. v1.0.0 (invoke `vendor/bin/rector --version`) |
 
 <!-- Please describe your problem here. -->