Use uv action rather than install script (#14530)

Author: Avasam

.github/workflows/meta_tests.yml

@@ -39,7 +39,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - run: uv pip install -r requirements-tests.txt --system
       - run: python ./tests/typecheck_typeshed.py --platform=${{ matrix.platform }}
   pyright:
@@ -54,7 +56,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - run: uv pip install -r requirements-tests.txt --system
       - name: Run pyright on typeshed
         uses: jakebailey/pyright-action@v2
@@ -71,7 +75,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - name: Git config
         run: |
           git config --global user.name stubsabot

.github/workflows/stubsabot.yml

@@ -27,7 +27,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - name: git config
         run: |
           git config --global user.name stubsabot

.github/workflows/tests.yml

@@ -30,7 +30,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - run: uv pip install -r requirements-tests.txt --system
       - run: python ./tests/check_typeshed_structure.py
 
@@ -48,7 +50,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - run: uv pip install -r requirements-tests.txt --system
       - name: Install required APT packages
         run: |
@@ -81,7 +85,9 @@ jobs:
           # Use py311 for now, as py312 seems to be around 30s slower in CI
           # TODO: figure out why that is (#11590)
           python-version: "3.11"
-      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "requirements-tests.txt"
       - run: uv pip install -r requirements-tests.txt --system
       - run: python ./tests/regr_test.py --all --verbosity QUIET