Update test flows to use Poetry

.github/workflows/ci.yml

@@ -24,9 +24,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
-          cache: pip
-          cache-dependency-path: requirements.txt
+          python-version: "3.10"
 
       - name: Run pre-commit
         uses: pre-commit/[email protected]
@@ -48,12 +46,15 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
-          cache: pip
-          cache-dependency-path: requirements.txt
+          python-version: "3.10"
 
-      - name: Install requirements
-        run: pip install -r requirements.txt
+      - name: Install Poetry
+        uses: abatilo/[email protected]
+        with:
+          poetry-version: 1.6.1
+
+      - name: Install dependencies
+        run: poetry install
 
       - name: Run test
         run: script/test

README.md

@@ -7,7 +7,7 @@ Exposing an API to archived case law.
 
 ## Requirements.
 
-Python >= 3.8
+Python >= 3.10
 
 ## Installation & Usage