Request diagnostic bundle in bug template (#1930)

Author: award999

.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,5 +26,10 @@ A clear and concise description of what you expected to happen.
  - Visual Studio Code version:
  - vscode-swift version:
 
+**Diagnostics Bundle**
+The diagnostics bundle can help determine the root cause of bugs much quicker. To share this information execute the `>Swift: Capture Diagnostics Bundle` command and attach the archive to the bug report.
+
+*Select the "Minimal" bundle to only share the Swift extension's log and your configured `swift.` settings. Select the "Full" bundle if you're comfortable sharing the SourceKit-LSP diagnostic bundle and LLDB-DAP logs, which may contain source code*
+
 **Additional context**
 Add any other context about the problem here.