build(deps): bump astral-sh/setup-uv from 3 to 4

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 3 to 4.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Install uv
         if: env.PUBLISH == 'true'
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
         with:
           enable-cache: true
 

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
         with:
           enable-cache: true
 
@@ -91,7 +91,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
         with:
           enable-cache: true