Updated the civogo lib to v0.2.18

Signed-off-by: Alejandro JNM <alejandrojnm@gmail.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/civo/terraform-provider-civo
 require (
 	cloud.google.com/go v0.54.0 // indirect
 	github.com/aws/aws-sdk-go v1.29.22 // indirect
-	github.com/civo/civogo v0.2.17
+	github.com/civo/civogo v0.2.18
 	github.com/fatih/color v1.9.0 // indirect
 	github.com/gorhill/cronexpr v0.0.0-20180427100037-88b0669f7d75
 	github.com/hashicorp/go-getter v1.4.1 // indirect

go.sum

@@ -57,8 +57,8 @@ github.com/cheggaaa/pb v1.0.27/go.mod h1:pQciLPpbU0oxA0h+VJYYLxO+XeDQb5pZijXscXH
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/civo/civogo v0.2.17 h1:qdXexj/2b9FT6eXmBfemNFJ6dPIbvykIeDCC+kcwYdw=
-github.com/civo/civogo v0.2.17/go.mod h1:SR0ZOhABfQHjgNQE3UyfX4gaYsrfslkPFRFMx5P29rg=
+github.com/civo/civogo v0.2.18 h1:+EKu2Tj7zoe8That9fyqTK6Monm/YQEaMf548JCZSpc=
+github.com/civo/civogo v0.2.18/go.mod h1:SR0ZOhABfQHjgNQE3UyfX4gaYsrfslkPFRFMx5P29rg=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=