Extend invalid hatch pattern deprecation again

The comment says it should be 1 release after custom hatches are
implemented, and they aren't implemented in 3.11, so this needs to go
up.

Author: QuLogic

lib/matplotlib/hatch.py

@@ -206,7 +206,7 @@ def _validate_hatch_pattern(hatch):
             invalids = ''.join(sorted(invalids))
             _api.warn_deprecated(
                 '3.4',
-                removal='3.11',  # one release after custom hatches (#20690)
+                removal='3.13',  # one release after custom hatches (#20690)
                 message=f'hatch must consist of a string of "{valid}" or '
                         'None, but found the following invalid values '
                         f'"{invalids}". Passing invalid values is deprecated '

lib/matplotlib/tests/test_axes.py

@@ -10047,21 +10047,13 @@ def assert_not_in_reference_cycle(start):
 
 
 def test_boxplot_tick_labels():
-    # Test the renamed `tick_labels` parameter.
-    # Test for deprecation of old name `labels`.
+    # Test the `tick_labels` parameter.
     np.random.seed(19680801)
     data = np.random.random((10, 3))
 
-    fig, axs = plt.subplots(nrows=1, ncols=2, sharey=True)
-    # Should get deprecation warning for `labels`
-    with pytest.warns(mpl.MatplotlibDeprecationWarning,
-                      match='has been renamed \'tick_labels\''):
-        axs[0].boxplot(data, labels=['A', 'B', 'C'])
-    assert [l.get_text() for l in axs[0].get_xticklabels()] == ['A', 'B', 'C']
-
-    # Test the new tick_labels parameter
-    axs[1].boxplot(data, tick_labels=['A', 'B', 'C'])
-    assert [l.get_text() for l in axs[1].get_xticklabels()] == ['A', 'B', 'C']
+    fig, ax = plt.subplots()
+    ax.boxplot(data, tick_labels=['A', 'B', 'C'])
+    assert [l.get_text() for l in ax.get_xticklabels()] == ['A', 'B', 'C']
 
 
 @needs_usetex