Should not panic when specify wrong loglevel for oc-mirror

oc-mirror version WARNING: This version information is deprecated and will be replaced with the output from --short. Use --output=yaml|json to get the full version.Client Version: version.Info{Major:"", Minor:"", GitVersion:"4.17.0-202407291514.p0.gdbf115f.assembly.stream.el9-dbf115f", GitCommit:"dbf115f547a19f12ab72e7b326be219a47d460a0", GitTreeState:"clean", BuildDate:"2024-07-29T15:52:52Z", GoVersion:"go1.22.4 (Red Hat 1.22.4-2.el9) X:strictfipsruntime", Compiler:"gc", Platform:"linux/amd64"}

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1. Run command: `oc-mirror -c config-36410.yaml --from file://out36410 docker://quay.io/zhouying7780/36410test --v2  --loglevel -h`

The command panic with error: 
oc-mirror -c config-36410.yaml --from file://out36410 docker://quay.io/zhouying7780/36410test --v2  --loglevel -h
2024/07/31 05:22:41  [WARN]   : ⚠️  --v2 flag identified, flow redirected to the oc-mirror v2 version. This is Tech Preview, it is still under development and it is not production ready.
2024/07/31 05:22:41  [INFO]   : 👋 Hello, welcome to oc-mirror
2024/07/31 05:22:41  [INFO]   : ⚙️  setting up the environment for you...
2024/07/31 05:22:41  [INFO]   : 🔀 workflow mode: diskToMirror 
2024/07/31 05:22:41  [ERROR]  : parsing config error parsing local storage configuration : invalid loglevel -h Must be one of [error, warn, info, debug]
panic: StorageDriver not registered: 
goroutine 1 [running]:github.com/distribution/distribution/v3/registry/handlers.NewApp({0x5634e98, 0x76ea4a0}, 0xc000a7c388)	/go/src/github.com/openshift/oc-mirror/vendor/github.com/distribution/distribution/v3/registry/handlers/app.go:126 +0x2374github.com/distribution/distribution/v3/registry.NewRegistry({0x5634e98?, 0x76ea4a0?}, 0xc000a7c388)	/go/src/github.com/openshift/oc-mirror/vendor/github.com/distribution/distribution/v3/registry/registry.go:141 +0x56github.com/openshift/oc-mirror/v2/internal/pkg/cli.(*ExecutorSchema).setupLocalStorage(0xc000a78488)	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/cli/executor.go:571 +0x3c6github.com/openshift/oc-mirror/v2/internal/pkg/cli.NewMirrorCmd.func1(0xc00090f208, {0xc0007ae300, 0x1, 0x8})	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/cli/executor.go:201 +0x27fgithub.com/spf13/cobra.(*Command).execute(0xc00090f208, {0xc0000520a0, 0x8, 0x8})	/go/src/github.com/openshift/oc-mirror/vendor/github.com/spf13/cobra/command.go:987 +0xab1github.com/spf13/cobra.(*Command).ExecuteC(0xc00090f208)	/go/src/github.com/openshift/oc-mirror/vendor/github.com/spf13/cobra/command.go:1115 +0x3ffgithub.com/spf13/cobra.(*Command).Execute(0x74bc8d8?)	/go/src/github.com/openshift/oc-mirror/vendor/github.com/spf13/cobra/command.go:1039 +0x13main.main()	/go/src/github.com/openshift/oc-mirror/cmd/oc-mirror/main.go:10 +0x18

Exit with error , should not panic