fix uv pin in release workflow

Author: hobu

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Install uv
-      uses: astral-sh/setup-uv@v8
+      uses: astral-sh/setup-uv@v8.3.1
       with:
         enable-cache: true