update the versions of python to test against

notably, pypy3.10 can't run automated tests for nh3 anymore due to
another dependency (PyO3) dropping support for pypy3.10

Author: ikirudennis

.github/workflows/lint_and_test.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "pypy3.11"]
         image_size: ['true', 'false']
     steps:
       - uses: actions/checkout@v4