Bump to Python 3.11 on CI

.github/workflows/build.yml

@@ -40,7 +40,7 @@ jobs:
     - name: Base Setup
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       with:
-        python_version: "3.10"
+        python_version: "3.11"
 
     - name: Install the package
       run: |
@@ -89,11 +89,11 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python: ['3.7', '3.10']
+        python: ['3.7', '3.11']
         include:
           - python: '3.7'
             dist: 'notebook*.tar.gz'
-          - python: '3.10'
+          - python: '3.11'
             dist: 'notebook*.whl'
           - os: windows-latest
             py_cmd: python

binder/environment.yml

@@ -9,5 +9,5 @@ dependencies:
 - matplotlib
 - numpy
 - nodejs
-- python >=3.9,<3.10
+- python >=3.10,<3.11
 - xeus-python

pyproject.toml

@@ -27,6 +27,7 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
 ]
 dependencies = [
     "jupyter_server>=1.16.0,<2",