Add more information to an issue template (#10622)

.github/ISSUE_TEMPLATE.md

@@ -3,7 +3,11 @@ For general support from the community, see https://vaadin.com/forum
 
 NOTE: Issues for Vaadin Flow (Vaadin v10 Java Framework) should go to https://github.com/vaadin/flow
 
-For bugs, please provide at minimum the following information:
-- Vaadin Framework version (e.g. 8.1.3)
+To make sure we can quickly validate and fix the bug, please provide as much as possible of the following information:
+- Vaadin Framework version (e.g. 8.3.1)
+- Browser version
+- Web container name and version
 - Description of the bug
-- If possible, minimal reproducible example
+- Minimal reproducible example
+- Expected behavior
+- Actual behavior