fix: update tests to new python version

Author: jnsbck

.github/workflows/tests.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
       with:
-        python-version: '3.8.13'
+        python-version: '3.12.8'
         architecture: 'x64'
 
     - name: Install dependencies
@@ -34,11 +34,6 @@ jobs:
       run: |
         isort -c ephyspy tests
 
-# add pyright at some point!
-#    - name: Check types with pyright
-#      run: |
-#        pyright ephyspy
-
     - name: Test with pytest
       run: |
         pip install pytest pytest-cov