chore(deps): update astral-sh/setup-uv action to v6.4.3

Author: renovate[bot]

.github/workflows/periodic-zizmor.yaml

@@ -66,7 +66,7 @@ jobs:
           ref: ${{ matrix.repository.ref }}
 
       - name: Setup UV
-        uses: astral-sh/setup-uv@6b9c6063abd6010835644d4c2e1bef4cf5cd0fca # v6.0.1
+        uses: astral-sh/setup-uv@e92bafb6253dcd438e0484186d7669ea7a8ca1cc # v6.4.3
         with:
           enable-cache: true
           activate-environment: true