test with latest Python version and drop Python 3.10

Author: zacharyburnett

.github/workflows/ci.yml

@@ -27,11 +27,14 @@ jobs:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@8c0fde6f7e926df6ed7057255d29afa9c1ad5320  # v1.16.0
     with:
       envs: |
-        - linux: py310-oldestdeps
-        - linux: py311-cov
+        - linux: py311-oldestdeps
+        - linux: py311
+        - linux: py312
+        # `tox` does not currently respect `requires-python` versions when creating testing environments;
+        # if this breaks, add an upper pin to `requires-python` and revert this py3 to the latest working version
+        - linux: py3-cov
           coverage: codecov
           pytest-results-summary: true
-        - macos: py311
+        - macos: py3
           pytest-results-summary: true
-        - linux: py312
         - linux: py3-dev

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "gwcs"
 description = "Generalized World Coordinate System"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 authors = [
     { name = "gwcs developers", email = "help@stsci.edu" },
 ]