chore(deps): bump github.com/caddyserver/caddy from 1.0.2 to 1.0… (#837)

Bumps [github.com/caddyserver/caddy](https://github.com/caddyserver/caddy) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/caddyserver/caddy/releases)
- [Commits](https://github.com/caddyserver/caddy/compare/v1.0.2...v1.0.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -5,7 +5,7 @@ require (
 	github.com/GeertJohan/go.rice v1.0.0
 	github.com/Sereal/Sereal v0.0.0-20190430203904-6faf9605eb56 // indirect
 	github.com/asdine/storm v2.1.2+incompatible
-	github.com/caddyserver/caddy v1.0.2
+	github.com/caddyserver/caddy v1.0.3
 	github.com/daaku/go.zipexe v1.0.1 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/dsnet/compress v0.0.1 // indirect