Bump astral-sh/setup-uv from 5 to 6

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 5 to 6.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v5...v6)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/app-tests.yaml

@@ -85,7 +85,7 @@ jobs:
             architecture: x64
 
         - name: Install uv
-          uses: astral-sh/setup-uv@v5
+          uses: astral-sh/setup-uv@v6
           with:
             enable-cache: true
             version: "0.4.20"

.github/workflows/evaluate.yaml

@@ -82,7 +82,7 @@ jobs:
           python-version: '3.12'
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true
           version: "0.4.20"