build(deps): bump github.com/caddyserver/caddy from 1.0.1 to 1.0.3 (#3148)

Bumps [github.com/caddyserver/caddy](https://github.com/caddyserver/caddy) from 1.0.1 to 1.0.3.
- [Release notes](https://github.com/caddyserver/caddy/releases)
- [Commits](https://github.com/caddyserver/caddy/compare/v1.0.1...v1.0.3)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/Azure/go-autorest/autorest/to v0.2.0 // indirect
 	github.com/Shopify/sarama v1.21.0 // indirect
 	github.com/aws/aws-sdk-go v1.22.3
-	github.com/caddyserver/caddy v1.0.1
+	github.com/caddyserver/caddy v1.0.3
 	github.com/coredns/federation v0.0.0-20190818181423-e032b096babe
 	github.com/coreos/bbolt v1.3.2 // indirect
 	github.com/coreos/etcd v3.3.13+incompatible

go.sum

@@ -71,6 +71,8 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bifurcation/mint v0.0.0-20180715133206-93c51c6ce115/go.mod h1:zVt7zX3K/aDCk9Tj+VM7YymsX66ERvzCJzw8rFCX2JU=
 github.com/caddyserver/caddy v1.0.1 h1:oor6ep+8NoJOabpFXhvjqjfeldtw1XSzfISVrbfqTKo=
 github.com/caddyserver/caddy v1.0.1/go.mod h1:G+ouvOY32gENkJC+jhgl62TyhvqEsFaDiZ4uw0RzP1E=
+github.com/caddyserver/caddy v1.0.3 h1:i9gRhBgvc5ifchwWtSe7pDpsdS9+Q0Rw9oYQmYUTw1w=
+github.com/caddyserver/caddy v1.0.3/go.mod h1:G+ouvOY32gENkJC+jhgl62TyhvqEsFaDiZ4uw0RzP1E=
 github.com/cenkalti/backoff v2.1.1+incompatible h1:tKJnvO2kl0zmb/jA5UKAt4VoEVw1qxKWjE/Bpp46npY=
 github.com/cenkalti/backoff v2.1.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.1.0-0.20181214143942-ba49f56771b8/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=