Update GitHub Actions workflow to use 'uv' for dependency management …

…and caching

.github/workflows/lint-py.yml

@@ -26,18 +26,29 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.branch || github.ref }}
-      - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
-        uses: "./.github/actions/poetry_caching"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
         with:
-          python-version: ${{ matrix.python-version }}
-          poetry-version: ${{ env.POETRY_VERSION }}
-          cache-key: ${{ runner.os }}-poetry-${{ env.POETRY_VERSION }}-${{ hashFiles('**/poetry.lock') }}
-      - name: Install Python dependencies
-        run: |
-          poetry env use ${{ matrix.python-version }}
-          poetry install
+          enable-cache: true
+          cache-dependency-glob: "uv.lock"
+      - name: "Set up Python"
+        uses: actions/setup-python@v5
+        with:
+          python-version-file: "pyproject.toml"
+      - name: Restore uv cache
+        uses: actions/cache@v4
+        with:
+          path: /tmp/.uv-cache
+          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
+          restore-keys: |
+            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
+            uv-${{ runner.os }}
+      - name: Install the project
+        run: uv sync --dev
       - name: Run Mypy
         run: |
-          poetry run mypy --namespace-packages -p "langflow"
+          uv run mypy --namespace-packages -p "langflow"
         env:
           GITHUB_TOKEN: ${{ secrets.github_token }}
+      - name: Minimize uv cache
+        run: uv cache prune --ci