Don't use setup-python action

Author: dandavison

.github/workflows/build-binaries.yml

@@ -30,9 +30,6 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.13"
 
       # Install Rust locally for non-Linux (Linux uses an internal docker
       # command to build with cibuildwheel which uses rustup install defined
@@ -44,7 +41,7 @@ jobs:
         with:
           workspaces: temporalio/bridge -> target
       - uses: astral-sh/setup-uv@v5
-      - run: uv sync --all-extras
+      - run: uv sync --all-extras --python 3.13
 
       # Add the source dist only for Linux x64 for now
       - if: ${{ matrix.package-suffix == 'linux-amd64' }}

.github/workflows/ci.yml

@@ -38,17 +38,14 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: temporalio/bridge -> target
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python }}
       - uses: arduino/setup-protoc@v3
         with:
           # TODO(cretz): Can upgrade proto when https://github.com/arduino/setup-protoc/issues/99 fixed
           version: "23.x"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - uses: astral-sh/setup-uv@v5
       - run: uv tool install poethepoet
-      - run: uv sync --all-extras
+      - run: uv sync --all-extras --python ${{ matrix.python }}
       - name: Check python version
         shell: bash
         run: |

.github/workflows/run-bench.yml

@@ -35,9 +35,6 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: temporalio/bridge -> target
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.13"
       - uses: arduino/setup-protoc@v3
         with:
           # TODO(cretz): Can upgrade proto when https://github.com/arduino/setup-protoc/issues/99 fixed
@@ -47,7 +44,7 @@ jobs:
       - uses: astral-sh/setup-uv@v5
       # Build
       - run: uv tool install poethepoet
-      - run: uv sync --all-extras
+      - run: uv sync --all-extras --python 3.13
       - run: poe build-develop-with-release
 
       # Run a bunch of bench tests. We run multiple times since results vary.