ci: drop Go-1.10 and 1.9, add Go-1.13 and 1.12

sbinet · sbinet · commit 8a9de0dd7a17 · 2019-10-01T13:52:29.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,8 @@
 language: go
 
 go:
-  - 1.9.x
-  - 1.10.x
+  - 1.13.x
+  - 1.12.x
   - 1.11.x
   - master
 

-Original file line number
+Diff line change
 language: go
 go:
 -  - 1.9.x
 -  - 1.10.x
 +  - 1.13.x
 +  - 1.12.x
   - 1.11.x
   - master