TYP: typecheck with Python 3.11 too

Author: neutrinoceros

.github/workflows/ci.yml

@@ -147,6 +147,11 @@ jobs:
 
 
   typecheck:
+    strategy:
+      matrix:
+        python-version:
+        - '3.8'
+        - '3.11'
     runs-on: ubuntu-latest
     name: type check
 
@@ -157,7 +162,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.8'
+        python-version: ${{ matrix.python-version }}
 
     - name: Build
       run: |

requirements/typecheck.txt

@@ -1,2 +1 @@
 mypy==1.4.1
-numpy==1.24.3