Github Actions: no cache, update versions

Author: jarofgreen

.github/workflows/ci.yml

@@ -8,15 +8,9 @@ jobs:
       matrix:
         python-version: [3.9, "3.10", "3.11", "3.12", "3.13"]
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v1
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - uses: actions/cache@v1
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements_dev.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
     - run: pip install -e .[dev]
     - run: python -m unittest discover