.github: update ISSUE_TEMPLATE to be closer to 'go bug'

Ask whether the issue reproduces with the latest release.

'go bug' places the version and system details last,
in part because they're automatically filled.
I'd like to do the same here, but I worry
that they'll get ignored.

Change-Id: Iec636a27e6e36d61dca421deaf24ed6fe35d4b11
Reviewed-on: https://go-review.googlesource.com/50931
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Avelino <t@avelino.xxx>

.github/ISSUE_TEMPLATE

@@ -1,8 +1,12 @@
 Please answer these questions before submitting your issue. Thanks!
 
+
 ### What version of Go are you using (`go version`)?
 
 
+### Does this issue reproduce with the latest release?
+
+
 ### What operating system and processor architecture are you using (`go env`)?
 
 
@@ -18,4 +22,3 @@ A link on play.golang.org is best.
 
 ### What did you see instead?
 
-