Use labels instead of text message to filter test cases

[blackpiglet]

Describe the problem/challenge you have

var _ = Describe("[APIGroup][APIVersion][SKIP_KIND] Velero tests with various CRD API group versions", APIGropuVersionsTest)
var _ = Describe("[APIGroup][APIExtensions][SKIP_KIND] CRD of apiextentions v1beta1 should be B/R successfully from cluster(k8s version < 1.22) to cluster(k8s version >= 1.22)", APIExtensionsVersionsTest)

The current E2E uses the regular expression to filter test cases by the message in the test cases' text message.

Ginkgo v2 supports labels in the nodes. https://onsi.github.io/ginkgo/MIGRATING_TO_V2#label-decorator

Describe the solution you'd like

Use labels instead of the regex to filter test cases.

Anything else you would like to add:

Environment:

• Velero version (use velero version):
• Kubernetes version (use kubectl version):
• Kubernetes installer & version:
• Cloud provider or hardware configuration:
• OS (e.g. from /etc/os-release):

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