Fix the sphinterpolate failing test in the GMT Dev Tests (#3894)

Author: seisman

pygmt/tests/test_sphinterpolate.py

@@ -4,8 +4,10 @@
 
 from pathlib import Path
 
+import numpy as np
 import numpy.testing as npt
 import pytest
+from packaging.version import Version
 from pygmt import sphinterpolate
 from pygmt.datasets import load_sample_data
 from pygmt.enums import GridRegistration, GridType
@@ -42,4 +44,6 @@ def test_sphinterpolate_no_outgrid(mars):
     npt.assert_allclose(temp_grid.max(), 14628.144)
     npt.assert_allclose(temp_grid.min(), -6908.1987)
     npt.assert_allclose(temp_grid.median(), 118.96849)
-    npt.assert_allclose(temp_grid.mean(), 272.60593)
+    # TODO(NumPy>=2.3.0): Remove the numpy version check.
+    mean = 272.60568 if Version(np.__version__) >= Version("2.3.0dev") else 272.60593
+    npt.assert_allclose(temp_grid.mean(), mean)