Bump github.com/golang/glog

Bumps [github.com/golang/glog](https://github.com/golang/glog) from 0.0.0-20160126235308-23def4e6c14b to 1.2.1.
- [Release notes](https://github.com/golang/glog/releases)
- [Commits](https://github.com/golang/glog/commits/v1.2.1)

---
updated-dependencies:
- dependency-name: github.com/golang/glog
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -4,17 +4,14 @@ go 1.15
 
 require (
 	github.com/container-storage-interface/spec v1.1.0
-	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
-	github.com/godbus/dbus/v5 v5.0.4 // indirect
-	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
+	github.com/coreos/go-systemd/v22 v22.5.0
+	github.com/godbus/dbus/v5 v5.0.4
+	github.com/golang/glog v1.2.1
 	github.com/golang/protobuf v1.1.0 // indirect
 	github.com/kubernetes-csi/csi-lib-utils v0.6.1 // indirect
-	github.com/kubernetes-csi/csi-test v2.0.0+incompatible
 	github.com/kubernetes-csi/drivers v1.0.2
 	github.com/minio/minio-go/v7 v7.0.5
 	github.com/mitchellh/go-ps v0.0.0-20170309133038-4fdf99ab2936
-	github.com/onsi/ginkgo v1.5.0
-	github.com/onsi/gomega v1.4.0
 	github.com/spf13/afero v1.2.1 // indirect
 	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a // indirect
 	golang.org/x/net v0.0.0-20200707034311-ab3426394381