chore: Bump pandas to 1.4.4 (#21285)

requirements/base.txt

@@ -185,7 +185,7 @@ packaging==21.3
     # via
     #   bleach
     #   deprecation
-pandas==1.4.3
+pandas==1.4.4
     # via apache-superset
 parsedatetime==2.6
     # via apache-superset

setup.py

@@ -100,7 +100,7 @@ setup(
         "markdown>=3.0",
         "msgpack>=1.0.0, <1.1",
         "numpy==1.22.1",
-        "pandas>=1.4.3, <1.5",
+        "pandas>=1.4.4, <1.5",
         "parsedatetime",
         "pgsanity",
         "polyline",

superset/utils/pandas_postprocessing/contribution.py

@@ -49,9 +49,6 @@ def contribution(
     """
     contribution_df = df.copy()
     numeric_df = contribution_df.select_dtypes(include=["number", Decimal])
-    # TODO: copy needed due to following regression in 1.4, remove if not needed:
-    # https://github.com/pandas-dev/pandas/issues/48090
-    numeric_df = numeric_df.copy()
     numeric_df.fillna(0, inplace=True)
     # verify column selections
     if columns: