Add the version number to go.mod

This is the second take on trying to tag the current release with a Go version. (cherry picked from commit a32375a860)
2020-03-19 07:45:38 -07:00 · 2020-03-19 07:45:38 -07:00 · 84b7f45673
parent 1526448a89
commit 84b7f45673
1 changed files with 2 additions and 0 deletions
--- a/go.mod
+++ b/go.mod
@ -1 +1,3 @@
 module github.com/libgit2/git2go/v28
+
+go 1.13