feat: update terraform SDK to 0.12.0-rc1

go.mod

@@ -1,13 +1,30 @@
 module github.com/terraform-providers/terraform-provider-scaleway
 
 require (
-	github.com/blang/semver v3.5.1+incompatible // indirect
-	github.com/hashicorp/go-retryablehttp v0.5.1
-	github.com/hashicorp/terraform v0.11.12-beta1.0.20190227065421-fc531f54a878
-	github.com/mitchellh/go-homedir v0.0.0-20161203194507-b8bc1bf76747
+	github.com/beevik/etree v0.0.0-20171015221209-af219c0c7ea1 // indirect
+	github.com/chzyer/logex v1.1.11-0.20160617073814-96a4d311aa9b // indirect
+	github.com/coreos/bbolt v1.3.1-coreos.1 // indirect
+	github.com/go-ini/ini v1.25.4 // indirect
+	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
+	github.com/hashicorp/atlas-go v0.0.0-20161107204910-1792bd8de119 // indirect
+	github.com/hashicorp/go-immutable-radix v1.0.0 // indirect
+	github.com/hashicorp/go-retryablehttp v0.5.2
+	github.com/hashicorp/go-sockaddr v1.0.0 // indirect
+	github.com/hashicorp/serf v0.8.2-0.20171022020050-c20a0b1b1ea9 // indirect
+	github.com/hashicorp/terraform v0.12.0-rc1
+	github.com/jen20/awspolicyequivalence v0.0.0-20170831201602-3d48364a137a // indirect
+	github.com/masterzen/azure-sdk-for-go v0.0.0-20161014135628-ee4f0065d00c // indirect
+	github.com/miekg/dns v1.0.14 // indirect
+	github.com/mitchellh/go-homedir v1.0.0
 	github.com/nicolai86/scaleway-sdk v0.0.0-20181024210327-b20018e944c4
+	github.com/prometheus/common v0.0.0-20181126121408-4724e9255275 // indirect
+	github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a // indirect
+	github.com/ryanuber/columnize v0.0.0-20161220214920-0fbbb3f0e3fb // indirect
+	github.com/satori/uuid v0.0.0-20160927100844-b061729afc07 // indirect
+	github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect
 	github.com/smartystreets/goconvey v0.0.0-20190222223459-a17d461953aa // indirect
-	golang.org/x/crypto v0.0.0-20180211211603-9de5f2eaf759
-	golang.org/x/sys v0.0.0-20190228124157-a34e9553db1e // indirect
-	golang.org/x/text v0.3.0 // indirect
+	github.com/terraform-providers/terraform-provider-aws v1.29.0 // indirect
+	github.com/terraform-providers/terraform-provider-template v1.0.0 // indirect
+	github.com/terraform-providers/terraform-provider-tls v1.2.0 // indirect
+	golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734
 )