Update CI Go version.

backkem · backkem · commit 2b841775065f · 2020-01-06T20:31:17.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,7 @@ os:
 language: go
 
 go:
-  - 1.12.x
+  - 1.13.x
 
 env:
   matrix:

-Original file line number
+Diff line change
 language: go
 go:
 -  - 1.12.x
 +  - 1.13.x
 env:
   matrix: