chore: Update GHA dep: Bump astral-sh/setup-uv from 7.6.0 to 8.0.0

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 7.6.0 to 8.0.0.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@37802ad...cec2083)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/zizmor.yml

@@ -23,7 +23,7 @@ jobs:
           persist-credentials: false
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
+        uses: astral-sh/setup-uv@cec208311dfd045dd5311c1add060b2062131d57 # v8.0.0
 
       - name: Run zizmor 🌈
         run: uvx zizmor --format=sarif . > results.sarif