Correct version parsing for singularity-ce. (mlcommons#326)

Community edition of singularity starting version 3.8.0 (https://github.com/sylabs/singularity/releases?page=4) changes its name to `singularity-ce`. This commit adds support for version strings that looks like `singularity-ce version 3.10.0`.

runners/mlcube_singularity/mlcube_singularity/singularity_client.py

@@ -142,6 +142,11 @@ def init(self, force: bool = False) -> None:
  Runtime.SINGULARITY,
  version_string[20:].strip(),
  )
+ elif version_string.startswith("singularity-ce version "):
+ runtime, version_string = (
+ Runtime.SINGULARITY,
+ version_string[23:].strip(),
+ )
  elif version_string.startswith("apptainer version "):
  runtime, version_string = Runtime.APPTAINER, version_string[18:].strip()
  elif "/" in version_string: # Handle old stuff like "x.y.z-pull/123-0a5d"