Drop setup-python from CI (#120)

Signed-off-by: Stefan VanBuren <svanburen@buf.build>

Author: stefanvanburen

.github/workflows/ci.yaml

@@ -60,10 +60,6 @@ jobs:
 
       - uses: astral-sh/setup-uv@eac588ad8def6316056a12d4907a9d4d84ff7a3b # v7.3.0
 
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
-        with:
-          python-version: ${{ matrix.python }}
-
       - uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6.2.0
         with:
           go-version-file: protoc-gen-connect-python/go.mod
@@ -110,10 +106,6 @@ jobs:
 
       - uses: astral-sh/setup-uv@eac588ad8def6316056a12d4907a9d4d84ff7a3b # v7.3.0
 
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
-        with:
-          python-version-file: pyproject.toml
-
       - run: uv sync --frozen
 
       - run: uv build

.github/workflows/release.yaml

@@ -19,10 +19,6 @@ jobs:
 
       - uses: astral-sh/setup-uv@eac588ad8def6316056a12d4907a9d4d84ff7a3b # v7.3.0
 
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
-        with:
-          python-version-file: "pyproject.toml"
-
       - uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6.2.0
         with:
           go-version-file: protoc-gen-connect-python/go.mod