use uv for CI workflow

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: tox CI
+name: CI
 
 on:
   push:
@@ -9,23 +9,21 @@ on:
   workflow_call:
 
 jobs:
-  tox:
+  ci:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         py: ['3.8', '3.9', '3.10', '3.11', '3.12']
+    env:
+      UV_PYTHON: ${{ matrix.py }}
 
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: '0'
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.py }}
-      - name: Update pip
-        run: python3 -m pip install -U pip
-      - name: Install tox-gh
-        run: python3 -m pip install tox-gh>=1.3.1 tox>=4.14
-      - name: Run tox
-        run: tox run
+      - uses: extractions/setup-just@v2
+      - name: set up uv
+        run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - name: set up env with uv
+        run: uv sync
+      - name: Run all checks
+        run: just check-all