Bump go version to 1.13 in go.mod

mayankshah1607 · mayankshah1607 · commit 75cb464cdb5c · 2020-10-12T16:32:41.000+05:30
Signed-off-by: Mayank Shah &lt;mayankshah1614@gmail.com&gt;
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/kubernetes-csi/csi-proxy
 
-go 1.12
+go 1.13
 
 replace (
 	github.com/kubernetes-csi/csi-proxy/client => ./client
