Update GH actions, drop Py3.9

.github/workflows/build.yml

@@ -8,25 +8,25 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.5.3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Set up Python
-        uses: actions/setup-python@v2.1.4
+        uses: actions/setup-python@v4.6.1
       - name: Lint with Pre-commit
-        uses: pre-commit/action@v2.0.0
+        uses: pre-commit/action@v3.0.0
 
   test:
     needs: lint
     runs-on: ubuntu-latest
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
     steps:
-      - uses: actions/checkout@v2.3.2
+      - uses: actions/checkout@v3.5.3
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2.1.4
+        uses: actions/setup-python@v4.6.1
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies