Use uv for pip installs (#13586)

* Update tests to `pip install -e .`

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Auto-format by https://ultralytics.com/actions

* Update pyproject.toml

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Use `setup-uv` and `uv pip` for package management.

Replaced `setup-python` with `setup-uv` and updated pip commands to use the `uv` tool for dependency installation and listing. Simplifies package management and integrates

* Use `setup-uv` and `uv pip` for package management.

Replaced `setup-python` with `setup-uv` and updated pip commands to use the `uv` tool for dependency installation and listing. Simplifies package management and integrates-uv` for improved workflow consistency.

* Use `setup-uv` and `uv pip` for package management.

Replaced `setup-python` with `setup-uv` and updated pip commands to use the `uv` tool for dependency installation and listing. Simplifies package management and integrates-uv` for improved workflow consistency.

* Use `setup-uv` and `uv pip` for package management.

Replaced `setup-python` with `setup-uv` and updated pip commands to use the `uv` tool for dependency installation and listing. Simplifies package management and integrates-uv` for improved workflow consistency.

---------

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

.github/workflows/ci-testing.yml

@@ -27,13 +27,12 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          cache: "pip" # cache pip dependencies
+      - uses: astral-sh/setup-uv@v6
       - name: Install requirements
         run: |
-          python -m pip install --upgrade pip wheel
-          pip install -r requirements.txt coremltools openvino-dev "tensorflow-cpu<2.15.1" --extra-index-url https://download.pytorch.org/whl/cpu
+          uv pip install --system -r requirements.txt coremltools openvino-dev tensorflow --extra-index-url https://download.pytorch.org/whl/cpu --index-strategy unsafe-best-match
           yolo checks
-          pip list
+          uv pip list
       - name: Benchmark DetectionModel
         run: |
           python benchmarks.py --data coco128.yaml --weights ${{ matrix.model }}.pt --img 320 --hard-fail 0.29
@@ -66,15 +65,14 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          cache: "pip" # caching pip dependencies
+      - uses: astral-sh/setup-uv@v6
       - name: Install requirements
         run: |
-          python -m pip install --upgrade pip wheel
           torch=""
           if [ "${{ matrix.torch }}" == "1.8.0" ]; then
             torch="torch==1.8.0 torchvision==0.9.0"
           fi
-          pip install -r requirements.txt $torch --extra-index-url https://download.pytorch.org/whl/cpu
+          uv pip install --system -r requirements.txt $torch --extra-index-url https://download.pytorch.org/whl/cpu --index-strategy unsafe-best-match
         shell: bash # for Windows compatibility
       - name: Check environment
         run: |