Bump github.com/gophercloud/gophercloud from 0.20.0 to 0.21.0 (#325)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -5,7 +5,7 @@ go 1.17
 require (
 	github.com/go-logr/logr v0.4.0
 	github.com/google/go-github/v38 v38.1.0
-	github.com/gophercloud/gophercloud v0.20.0
+	github.com/gophercloud/gophercloud v0.21.0
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79
 	github.com/onsi/ginkgo v1.16.4
 	github.com/onsi/gomega v1.16.0

go.sum

@@ -269,8 +269,8 @@ github.com/googleapis/gnostic v0.4.1/go.mod h1:LRhVm6pbyptWbWbuZ38d1eyptfvIytN3i
 github.com/googleapis/gnostic v0.5.1/go.mod h1:6U4PtQXGIEt/Z3h5MAT7FNofLnw9vXk2cUuW7uA/OeU=
 github.com/googleapis/gnostic v0.5.5 h1:9fHAtK0uDfpveeqqo1hkEZJcFvYXAiCN3UutL8F9xHw=
 github.com/googleapis/gnostic v0.5.5/go.mod h1:7+EbHbldMins07ALC74bsA81Ovc97DwqyJO1AENw9kA=
-github.com/gophercloud/gophercloud v0.20.0 h1:1+4jrsjVhdX5omlAo4jkmFc6ftLbuXLzgFo4i6lH+Gk=
-github.com/gophercloud/gophercloud v0.20.0/go.mod h1:wRtmUelyIIv3CSSDI47aUwbs075O6i+LY+pXsKCBsb4=
+github.com/gophercloud/gophercloud v0.21.0 h1:21rxoQM7cSaZCPgfP45h71Vt1amZa942l7AtUWLOI2I=
+github.com/gophercloud/gophercloud v0.21.0/go.mod h1:wRtmUelyIIv3CSSDI47aUwbs075O6i+LY+pXsKCBsb4=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
 github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=