Drop a NumPy version pin that should no longer be necessary (#361)

This PR removes the `numpy < 2.0` dependency constraint, which should no
longer be necessary.

Update: the pin is still needed for Python 3.9 and 3.8; it's been
dropped for Python 3.10 and later.

Closes #345.

Author: mdickinson

setup.py

@@ -313,14 +313,17 @@ def get_long_description():
                 "traitsui",
             ],
             "h5": [
-                # PyTables is currently incompatible with NumPy 2.0
-                # xref: enthought/apptools#345
-                "numpy < 2.0",
+                # For Python earlier than 3.10, the most recent version of
+                # PyTables is incompatible with NumPy 2.x.
+                # xref: https://github.com/enthought/apptools/issues/345
+                "numpy < 2.0; python_version<'3.10'",
+                "numpy; python_version>='3.10'",
                 "pandas",
                 "tables",
             ],
             "persistence": [
-                "numpy < 2.0",
+                "numpy < 2.0; python_version<'3.10'",
+                "numpy; python_version>='3.10'",
             ],
             "preferences": [
                 "configobj",