1. Fix issue of kubectl client and server mismatch version in GitAction E2E job, refer to https://github.com/elastic/cloud-on-k8s/issues/4737;
2. Adapt to the changing of keyword for involing Kpoia as fs backupper, new installtion breaked upgrade and migration tests;
3. Accept multi-labels of Ginkgo focus as input of E2E make command;
4. Distinguish workload namespace from each tests;
5. Fix issues of not using Velero util to perform Velero commands;
6. Add snapshot test case for NamespaceMapping E2E test;
7. Collect debug bundle after catching error of Velero backup or restore command;
Signed-off-by: danfengl <danfengl@vmware.com>
