fix check for checkout deployment

I may be missing something, but for such directory:

[maszyman@dylanjr tmp]$ ls -lrta Gaudi/
total 0
drwxrwxr-x.  3 maszyman maszyman  60 Feb  3 07:28 InstallArea
-rw-rw-r--.  1 maszyman maszyman   0 Feb  3 07:36 src
-rw-rw-r--.  1 maszyman maszyman   0 Feb  3 07:38 .cvmfscatalog
drwxrwxr-x.  2 maszyman maszyman  40 Feb  3 09:38 alg

the previous method to check for any file in the directory apart from InstallArea and .cvmfscatalog gives me:

>>> any(Path("Gaudi").glob("*[!InstallArea][!.cvmfscatalog]*"))
False

so I changed it:

>>> deployment_dir = Path("Gaudi")
>>> any(filter(lambda item: item not in [deployment_dir / "InstallArea", deployment_dir / ".cvmfscatalog"], deployment_dir.iterdir()))
True
>>> list(filter(lambda item: item not in [deployment_dir / "InstallArea", deployment_dir / ".cvmfscatalog"], deployment_dir.iterdir()))
[PosixPath('Gaudi/alg'), PosixPath('Gaudi/src')]