Mention show_versions in the issue template

WardBrian · web-flow · commit 23b6ad9b939e · 2022-07-25T14:58:58.000-04:00
diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
@@ -10,4 +10,5 @@ Describe the issue as clearly as possible.
 Provide any additional information here.
 
 #### Current Version:
-
+Please include the output of `cmdstanpy.show_versions()`, or
+at least the cmdstan and cmdstanpy versions used.
