[CI]: Bump astral-sh/setup-uv from 6 to 7 (#952)

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 6 to 7.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](https://github.com/astral-sh/setup-uv/compare/v6...v7

)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/metal_ci.yml

@@ -24,7 +24,7 @@ jobs:
         submodules: recursive
 
     - name: Install python via uv
-      uses: astral-sh/setup-uv@v6
+      uses: astral-sh/setup-uv@v7
       with:
         enable-cache: true
         ignore-nothing-to-cache: true
@@ -73,7 +73,7 @@ jobs:
         key: ${{ github.job }}-${{ matrix.os }}
 
     - name: Install python via uv
-      uses: astral-sh/setup-uv@v6
+      uses: astral-sh/setup-uv@v7
       with:
         enable-cache: true
         ignore-nothing-to-cache: true