generic/755: add test to check ctime stamp on target inode after unlink

To: fstests@vger.kernel.org
Cc: linux-btrfs@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>

--- b4-submit-tracking ---
# This section is used internally by b4 prep for tracking purposes.
{
  "series": {
    "revision": 1,
    "change-id": "20240813-master-e3b46de630bd",
    "prefixes": [
      "fstests"
    ]
  }
}