Update astral-sh/setup-uv action to v8.3.1

Author: renovate[bot]

.github/workflows/build.yml

@@ -85,7 +85,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Set up uv
-        uses: astral-sh/setup-uv@v8.1.0
+        uses: astral-sh/setup-uv@v8.3.1
         with:
           working-directory: 'build/python'
           version-file: '.tool-versions'

.github/workflows/publish.yml

@@ -116,7 +116,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Set up uv
-        uses: astral-sh/setup-uv@v8.1.0
+        uses: astral-sh/setup-uv@v8.3.1
         with:
           working-directory: 'build/python'
           version-file: '.tool-versions'