NEP29: Test PyGMT on NumPy 1.24 (#2256)

Bumps [numpy](https://github.com/numpy/numpy) from 1.23.5 to 1.24.0 released on 19 December 2021.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/v1.24.0/doc/changelog/1.24.0-changelog.rst)
- [Commits](numpy/numpy@v1.23.5...v1.24.0)

.github/workflows/ci_tests.yaml

@@ -39,14 +39,14 @@ jobs:
             isDraft: true
           - os: windows-latest
             isDraft: true
-        # Pair Python 3.8 with NumPy 1.21 and Python 3.10 with NumPy 1.23
-        # Only install optional packages on Python 3.10/NumPy 1.23
+        # Pair Python 3.8 with NumPy 1.21 and Python 3.10 with NumPy 1.24
+        # Only install optional packages on Python 3.10/NumPy 1.24
         include:
           - python-version: '3.8'
             numpy-version: '1.21'
             optional-packages: ''
           - python-version: '3.10'
-            numpy-version: '1.23'
+            numpy-version: '1.24'
             optional-packages: 'geopandas ipython'
     timeout-minutes: 30
     defaults: