Use uv for pytest

.github/workflows/test.yml

@@ -54,17 +54,11 @@ jobs:
 
             - name: Set up Python
               uses: actions/setup-python@v5
-              with:
-                  cache: pip
-
-            - name: Install dependencies
-              run: |
-                  python -m pip install --upgrade pip wheel setuptools
-                  python -m pip install -r requirements.txt
 
             - name: Install artisatomic
               run: |
-                  python -m pip install -e .
+                  python3 -m pip install uv
+                  python3 -m uv pip install --compile-bytecode --editable .
 
             - name: Cache CMFGEN atomic data
               uses: actions/cache@v4