Bump astral-sh/setup-uv from 3 to 6

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 3 to 6.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](https://github.com/astral-sh/setup-uv/compare/v3...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>

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
 
       - name: "Install uv"
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v6
 
       - name: Build
         run: uv build

.github/workflows/run-static.yml

@@ -32,7 +32,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"

.github/workflows/run-tests.yml

@@ -37,7 +37,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"