Upgrade Python version in CI

.github/workflows/deploy.yml

@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: "3.10"
     - name: Build wheel and source tarball
       run: |
         pip install wheel

.github/workflows/lint.yml

@@ -7,11 +7,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: "3.10"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/tests.yml

@@ -32,9 +32,9 @@ jobs:
           - django: "4.0"
             python-version: "3.10"
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

.pre-commit-config.yaml

@@ -1,5 +1,5 @@
 default_language_version:
-  python: python3.8
+  python: python3.10
 repos:
 -   repo: https://github.com/PyCQA/flake8
     rev: 5.0.4

tox.ini

@@ -40,12 +40,13 @@ deps =
 commands = {posargs:py.test --cov=graphene_django graphene_django examples}
 
 [testenv:black]
-basepython = python3.8
+basepython = python3.10
 deps = -e.[dev]
 commands  =
     black --exclude "/migrations/" graphene_django examples setup.py --check
 
 [testenv:pre-commit]
+basepython = python3.10
 skip_install = true
 deps = pre-commit
 commands =