chore: import upstream snapshot with attribution

.github/workflows/slow-tests.yml

@@ -0,0 +1,81 @@
+# A daily job to run slow tests with MLFLOW_RUN_SLOW_TESTS environment variable set to true.
+name: MLflow Slow Tests
+
+on:
+  pull_request:
+    paths:
+      # Run this workflow in PR when relevant files change
+      - ".github/workflows/slow-tests.yml"
+      - "tests/docker/**"
+      - "tests/pyfunc/docker/**"
+  workflow_dispatch:
+    inputs:
+      repository:
+        description: >
+          [Optional] Repository name with owner. For example, mlflow/mlflow.
+           Defaults to the repository that triggered a workflow.
+        required: false
+        default: ""
+      ref:
+        description: >
+          [Optional] The branch, tag or SHA to checkout. When checking out the repository that
+           triggered a workflow, this defaults to the reference or SHA for that event. Otherwise,
+           uses the default branch.
+        required: false
+        default: ""
+  schedule:
+    # Run this workflow daily at 13:00 UTC
+    - cron: "0 13 * * *"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  MLFLOW_RUN_SLOW_TESTS: "true"
+  MLFLOW_HOME: ${{ github.workspace }}
+  PIP_EXTRA_INDEX_URL: https://download.pytorch.org/whl/cpu
+  PIP_CONSTRAINT: ${{ github.workspace }}/requirements/constraints.txt
+
+permissions: {}
+
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+    permissions:
+      contents: read
+    if: (github.event_name == 'schedule' && github.repository == 'mlflow/dev') || github.event_name == 'workflow_dispatch' || (github.event_name == 'pull_request' && (github.event.pull_request.draft == false || github.event.pull_request.user.login == 'Copilot' && github.event.pull_request.user.type == 'Bot'))
+    strategy:
+      fail-fast: false
+      matrix:
+        group: [1, 2, 3]
+        include:
+          - splits: 3
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+      - uses: ./.github/actions/free-disk-space
+      - uses: ./.github/actions/untracked
+      - uses: ./.github/actions/setup-python
+      - uses: ./.github/actions/setup-pyenv
+      - uses: ./.github/actions/setup-java
+      - name: Install dependencies
+        run: |
+          uv sync --extra extras
+          uv pip install \
+            -r requirements/test-requirements.txt \
+            -r requirements/extra-ml-requirements.txt \
+            langchain_experimental "pyarrow<18"
+      - uses: ./.github/actions/show-versions
+      - name: Run tests
+        env:
+          SPLITS: ${{ matrix.splits }}
+          GROUP: ${{ matrix.group }}
+        run: |
+          uv run --no-sync pytest --splits=$SPLITS --group=$GROUP tests/docker tests/pyfunc/docker