Merge pull request #685 from DirectXMan12/feature/soft-1.13

⚠️ Soft-bump to Go 1.13

Author: k8s-ci-robot

go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/controller-runtime
 
-go 1.12
+go 1.13
 
 require (
 	github.com/evanphx/json-patch v4.5.0+incompatible