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

Author: renovate[bot]

.github/workflows/export-notebooks.yml

@@ -33,7 +33,7 @@ jobs:
           fetch-depth: 0
 
       - name: 🚀 Install uv
-        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        uses: astral-sh/setup-uv@f98e06938123ccabd21905ea5d0069192241f9f1 # v8.3.1
 
       - name: 🐍 Set up Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6