chore(deps): update step-security/setup-uv action to v8 (#174)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -35,7 +35,7 @@ jobs:
           egress-policy: audit
 
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - uses: step-security/setup-uv@ccf0a26ce9117d9e99292b0ce953ea5d9ffe778e # v7.3.0
+      - uses: step-security/setup-uv@479ad0a90c4286eda3535eb7db396ed723b63fb7 # v8.1.0
         with:
           enable-cache: true
       - run: uv sync