TST: Use xtgeo with pinned pandas 2

Author: GibranAlfa

pyproject.toml

@@ -42,7 +42,7 @@ dependencies = [
     "pyyaml>=5.3",
     "scipy>=1.2",
     "xlrd>=1.2",
-    "xtgeo>=2.15",
+    "xtgeo>=4.16.2",
 ]
 
 [project.optional-dependencies]

src/fmu/tools/extract_grid_zone_tops_etc.py

@@ -77,13 +77,7 @@ def extract_grid_zone_tops(
 
         # Set gridzonelog as zonelog and extract zonation tops from it
         xtg_well.zonelogname = gridzonelog
-        # Ensure writable data; pandas 3 can surface read-only array here.
-        _series_values = pd.Series.values
-        pd.Series.values = property(lambda self: self.to_numpy(copy=True))
-        try:
-            dframe = xtg_well.get_zonation_points(top_prefix="", use_undef=True).copy()
-        finally:
-            pd.Series.values = _series_values
+        dframe = xtg_well.get_zonation_points(top_prefix="", use_undef=True)
 
         dframe.rename(
             columns={