travis: use go 1.13

This is the version I have on my dev computer.
ccnmtl · May 7, 2020 · 490c4bf · 490c4bf
1 parent fb700cf
commit 490c4bf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: go
-go: "1.10"
+go: "1.13"
 
 before_install:
   - go get golang.org/x/tools/cmd/cover