Bump github.com/go-openapi/spec in /test/apiserver (#480)

Bumps [github.com/go-openapi/spec](https://github.com/go-openapi/spec) from 0.20.9 to 0.20.11.
- [Commits](go-openapi/spec@v0.20.9...v0.20.11)

---
updated-dependencies:
- dependency-name: github.com/go-openapi/spec
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

test/apiserver/go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/blang/semver v3.5.1+incompatible // indirect
 	github.com/go-logr/logr v0.3.0 // indirect
 	github.com/go-openapi/loads v0.21.2
-	github.com/go-openapi/spec v0.20.9
+	github.com/go-openapi/spec v0.20.11
 	github.com/google/uuid v1.1.2 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190723091251-e0797f438f94 // indirect
 	github.com/imdario/mergo v0.3.10 // indirect

test/apiserver/go.sum

@@ -207,8 +207,8 @@ github.com/go-openapi/spec v0.18.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsd
 github.com/go-openapi/spec v0.19.2/go.mod h1:sCxk3jxKgioEJikev4fgkNmwS+3kuYdJtcsZsD5zxMY=
 github.com/go-openapi/spec v0.19.3/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo=
 github.com/go-openapi/spec v0.20.6/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
-github.com/go-openapi/spec v0.20.9 h1:xnlYNQAwKd2VQRRfwTEI0DcK+2cbuvI/0c7jx3gA8/8=
-github.com/go-openapi/spec v0.20.9/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
+github.com/go-openapi/spec v0.20.11 h1:J/TzFDLTt4Rcl/l1PmyErvkqlJDncGvPTMnCI39I4gY=
+github.com/go-openapi/spec v0.20.11/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
 github.com/go-openapi/strfmt v0.17.0/go.mod h1:P82hnJI0CXkErkXi8IKjPbNBM6lV6+5pLP5l494TcyU=
 github.com/go-openapi/strfmt v0.18.0/go.mod h1:P82hnJI0CXkErkXi8IKjPbNBM6lV6+5pLP5l494TcyU=
 github.com/go-openapi/strfmt v0.19.0/go.mod h1:+uW+93UVvGGq2qGaZxdDeJqSAqBqBdl+ZPMF/cC8nDY=