e2e-tests: Add GitHub action to run a subset of 2e2 tests

It uses the following GitHub secrets:
- E2E_TEST_FACTORY
- E2E_TEST_USER_TOKEN

Signed-off-by: Andre Detsch <andre.detsch@foundries.io>

.github/workflows/ci.yml

@@ -69,3 +69,17 @@ jobs:
       - run: git submodule update --init --recursive
       - name: test
         run: make -f dev-flow.mk config build test
+
+  e2e-test:
+    name: End-to-end tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - run: git config --global --add safe.directory /__w/aktualizr-lite/aktualizr-lite
+      - run: git submodule update --init --recursive
+      - run: ./dev-shell-e2e-test.sh make -f dev-flow.mk config build
+      - run: ./dev-shell-e2e-test.sh pytest e2e-test.py -k 'test_incremental_updates[True-False]'
+        env:
+          FACTORY: ${{ secrets.E2E_TEST_FACTORY }}
+          USER_TOKEN: ${{ secrets.E2E_TEST_USER_TOKEN }}