github: ask for module version information
MODIFY
.github/ISSUE_TEMPLATE/bug_report.md
.github/ISSUE_TEMPLATE/bug_report.md
@@ -24,6 +24,8 @@ of the problem, prefixed by the primary affected package.
<!--
Paste the output of `go version` and if you are installing Gonum from source, paste
the output of `(cd $(go env GOPATH)/src/gonum.org/v1/gonum && git rev-parse HEAD)`.
+If you are using modules, also paste the output of `grep gonum.org/v1/gonum go.sum`,
+executed in the root of your dependent module.
-->

github: ask for module version information