apacheGH-42190: [Python] Add CI job for Numpy 1.X (apache#42189)

### Rationale for this change

Numpy 2.0 released and most CI jobs test Numpy's latest version. Let's ensure Numpy 1.X continues to work with pandas in our integration testing.

### What changes are included in this PR?

* Add CI job to test integration with latest pandas and 1.X numpy

### Are these changes tested?

Yes, in CI

### Are there any user-facing changes?

No
* GitHub Issue: apache#42190

Authored-by: Dane Pitkin <[email protected]>
Signed-off-by: Joris Van den Bossche <[email protected]>

Author: danepitkin

dev/tasks/tasks.yml

@@ -1494,10 +1494,11 @@ tasks:
 
 {% for python_version, pandas_version, numpy_version, cache_leaf in [("3.8", "1.0", "1.19", True),
                                                                      ("3.9", "latest", "latest", False),
+                                                                     ("3.10", "latest", "1.26", False),
                                                                      ("3.10", "latest", "latest", False),
                                                                      ("3.10", "nightly", "nightly", False),
                                                                      ("3.11", "upstream_devel", "nightly", False)] %}
-  test-conda-python-{{ python_version }}-pandas-{{ pandas_version }}:
+  test-conda-python-{{ python_version }}-pandas-{{ pandas_version }}-numpy-{{ numpy_version }}:
     ci: github
     template: docker-tests/github.linux.yml
     params: