CI: add test build with numpy 1.26 (<2)

[jorisvandenbossche]

I removed a numpy<2 pin in #60144, but it might be good to keep testing in one of the builds with numpy 1.26 (latest <2).
For the rest we only pin numpy to 1.23 in ci/deps/actions-310-minimum_versions.yaml to test the minimal supported version.

[jorisvandenbossche]

As expected, currently there are a few failing tests:

=========================== short test summary info ============================
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_int_key[setitem-1.1-float32-False] - TypeError: Invalid value '1.1' for dtype 'float32'
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_int_key[loc-1.1-float32-False] - TypeError: Invalid value '1.1' for dtype 'float32'
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_int_key[iloc-1.1-float32-False] - TypeError: Invalid value '1.1' for dtype 'float32'
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_mask_key[setitem-1.1-float32-False] - TypeError: Invalid value '1.1' for dtype 'float32'
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_mask_key[loc-1.1-float32-False] - TypeError: Invalid value '1.1' for dtype 'float32'
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_mask_key[iloc-1.1-float32-False] - TypeError: Invalid value '1.1' for dtype 'float32'
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_series_where[1.1-float32-False] - AssertionError: Attributes of Series are different

Attribute "dtype" are different
[left]:  float64
[right]: float32
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_index_where[1.1-float32-False] - AssertionError: Index are different

Attribute "dtype" are different
[left]:  float64
[right]: float32
FAILED pandas/tests/series/indexing/test_setitem.py::TestCoercionFloat32::test_index_putmask[1.1-float32-False] - AssertionError: Index are different

Attribute "dtype" are different
[left]:  float64
[right]: float32
= 9 failed, 221589 passed, 6291 skipped, 1654 xfailed, 95 xpassed, 22 warnings in 1065.19s (0:17:45) =

[github-actions]

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