chore(gh): add 2.10.6 to bug reporter

Author: pfeerick

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -58,6 +58,7 @@ body:
       label: Version
       description: What version of EdgeTX software are you running?
       options:
+        - 2.10.6
         - 2.10.5
         - 2.10.4
         - 2.10.3