Bug Fixes

Issue: The generic backup of some PVCs in kdmp was failing due to the inclusion of certain read-only directories and files.
User Impact: Difficulties restoring the snapshot as the restoration of these read-only directories and files resulted in permission denied errors.
Resolution: Introduced the --ignore-file option in kdmp backup, enabling you to specify a list of files and directories to be excluded during snapshot creation. This ensures that during restoration, these excluded files and directories will not be restored. #1572

Format for adding the ignore file list:
```
KDMP_EXCLUDE_FILE_LIST: |
    <storageClassName1>=<dir-list>,<file-list1>,....
    <storageClassName2>=<dir-list>,<file-list1>,....
```
Sample for adding the ignore file list:
```
KDMP_EXCLUDE_FILE_LIST: |
    px-db=dir1,file1,dir2
    mysql=dir1,file1,dir2
```
Issue: The backup process does not terminate when an invalid post-execution rule is applied, leading to occasional failures in updating the failure status to the application backup CR.
User Impact: Backups with invalid post-execution rules were not failing as expected.
Resolution: Implemented a thorough check to ensure that backups with invalid post-execution rules are appropriately marked as failed, accompanied by a clear error message. #1582

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