Not worth running this test on a schedule.

.github/workflows/releases-upgrades-tests.yml

@@ -1,41 +0,0 @@
-name: Release and upgrade tests
-
-on:
-  schedule:
-    - cron: '0 */12 * * * '
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - id: skip_check
-        uses: fkirc/skip-duplicate-actions@v5
-        with:
-          concurrent_skipping: 'same_content_newer'
-
-      - uses: earthly/actions-setup@v1
-        with:
-          version: 'latest'
-
-      - name: Install ffmpeg
-        run: sudo apt-get install ffmpeg
-
-      - name: Earthly version
-        run: earthly --version
-
-      - name: Set up QEMU
-        id: qemu
-        uses: docker/setup-qemu-action@v2
-        with:
-          image: tonistiigi/binfmt:latest
-          platforms: all
-
-      - uses: actions/checkout@v3
-
-      - name: Run release upgrade tests
-        uses: nick-fields/retry@v2
-        with:
-          timeout_minutes: 10
-          max_attempts: 3
-          command: cd test/automated/upgrades && ./run.sh