Add Github actions file

Bump actions setup versions

Try to fix failing pipeline

Try to fix failing pipeline

Try to fix failing pipeline

Switch our bash since it is not used by

Fix "tox: not found" error

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: Build and Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    container: python:3.11
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build
+      run: echo "build"
+
+  test:
+    needs: build
+    runs-on: ubuntu-22.04
+    container: python:3.11
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.11'
+    - name: Cache pip
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    - name: Install dependencies and run tests
+      run: |
+        python --version
+        pip --version
+        pip install virtualenv
+        virtualenv venv
+        . venv/bin/activate
+        pip install tox
+        which tox # debugging
+        pip install -r requirements.txt
+        tox