chore(ci): replace local uv setup action with astral-sh/setup-uv@v6 (#8491)

* chore: remove setup-uv action configuration file as it is no longer needed

* chore: update setup-uv action to use the official action across all workflows

* chore: disable cache pruning in all workflows to improve build stability

* chore: update Python version to 3.13 and add pre-release description in workflows

.github/workflows/lint-py.yml

@@ -30,9 +30,12 @@ jobs:
           ref: ${{ inputs.branch || github.ref }}
           persist-credentials: true
       - name: "Setup Environment"
-        uses: ./.github/actions/setup-uv
+        uses: astral-sh/setup-uv@v6
         with:
+          enable-cache: true
+          cache-dependency-glob: "uv.lock"
           python-version: ${{ matrix.python-version }}
+          prune-cache: false
       - name: Install the project
         run: uv sync
       - name: Run Mypy
@@ -40,5 +43,4 @@ jobs:
           uv run mypy --namespace-packages -p "langflow"
         env:
           GITHUB_TOKEN: ${{ secrets.github_token }}
-      - name: Minimize uv cache
-        run: uv cache prune --ci
+