Numpy 1.25 deprecation warnings reintroduced

[eirikurj]

Description

PR #364 re-introduced numpy 1.25 deprecation warnings.

Steps to reproduce issue

Using docker image mdolab/private:u22-gcc-ompi-latest-amd64 built last night (sha256:003651040c0592819d7960e9ad4a29585cfbc659c33798cb438c062b5285992e) and running

mdolabuser@39c0e494642c:~/repos/pyoptsparse/tests$ testflo --show_deprecations test_tp109.py

will generate the following

Deprecations Report
===================

1 unique deprecation warnings were captured:

--
Conversion of an array with ndim > 0 to a scalar is deprecated, and will error in future. Ensure you extract a single element from your array before performing this operation. (Deprecated NumPy 1.25.)

    /pyoptsparse/pyOpt_solution.py, line 54
    [test_tp109.py:TestTP109.test_autorefine]

    /pyoptsparse/pyOpt_solution.py, line 54
    [test_tp109.py:TestTP109.test_slsqp]

    /pyoptsparse/pyOpt_solution.py, line 53
    [test_tp109.py:TestTP109.test_snopt]

    /pyoptsparse/pyOpt_solution.py, line 53
    [test_tp109.py:TestTP109.test_autorefine]

    /pyoptsparse/pyOpt_solution.py, line 54
    [test_tp109.py:TestTP109.test_snopt]

    /pyoptsparse/pyOpt_solution.py, line 53
    [test_tp109.py:TestTP109.test_snopt_informs]

    /pyoptsparse/pyOpt_solution.py, line 54
    [test_tp109.py:TestTP109.test_snopt_informs]

    /pyoptsparse/pyOpt_solution.py, line 53
    [test_tp109.py:TestTP109.test_slsqp]

Current behavior

Warnings are issued

Expected behavior

No warnings should be issued

Code versions

mdolab/private:u22-gcc-ompi-latest-amd64 built last night (sha256:003651040c0592819d7960e9ad4a29585cfbc659c33798cb438c062b5285992e)