Consider pre-release version when disabling recursion limit workaround

The fix in 86f21bd only considered 2.8.0 and above, for any alpha, beta
or pre-release the workaround was not correctly disabled.

Author: agoscinski

src/aiida_pythonjob/decorator.py

@@ -20,7 +20,7 @@
 LOGGER = logging.getLogger(__name__)
 
 _AIIDA_VERSION = parse_version(aiida.__version__)
-_NEEDS_RECURSION_LIMIT_WORKAROUND = _AIIDA_VERSION < parse_version("2.8.0")
+_NEEDS_RECURSION_LIMIT_WORKAROUND = _AIIDA_VERSION < parse_version("2.8.0rc0")
 
 if _NEEDS_RECURSION_LIMIT_WORKAROUND:
     from aiida.engine.processes.functions import get_stack_size