Bump github.com/gorilla/sessions from 1.2.2 to 1.3.0

Bumps [github.com/gorilla/sessions](https://github.com/gorilla/sessions) from 1.2.2 to 1.3.0.
- [Release notes](https://github.com/gorilla/sessions/releases)
- [Commits](gorilla/sessions@v1.2.2...v1.3.0)

---
updated-dependencies:
- dependency-name: github.com/gorilla/sessions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/godbus/dbus/v5 v5.1.0
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/gorilla/mux v1.8.1
-	github.com/gorilla/sessions v1.2.2
+	github.com/gorilla/sessions v1.3.0
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/prometheus/client_golang v1.18.0
 	github.com/reef-pi/adafruitio v0.0.0-20171007064130-a3cae37cdd64

go.sum

@@ -825,8 +825,8 @@ github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
 github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
 github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pwzwo4h3eOamfo=
-github.com/gorilla/sessions v1.2.2 h1:lqzMYz6bOfvn2WriPUjNByzeXIlVzURcPmgMczkmTjY=
-github.com/gorilla/sessions v1.2.2/go.mod h1:ePLdVu+jbEgHH+KWw8I1z2wqd0BAdAQh/8LRvBeoNcQ=
+github.com/gorilla/sessions v1.3.0 h1:XYlkq7KcpOB2ZhHBPv5WpjMIxrQosiZanfoy1HLZFzg=
+github.com/gorilla/sessions v1.3.0/go.mod h1:ePLdVu+jbEgHH+KWw8I1z2wqd0BAdAQh/8LRvBeoNcQ=
 github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
 github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=