chore(github-deps): bump astral-sh/setup-uv from 6.4.1 to 6.4.3

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 6.4.1 to 6.4.3.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](7edac99f96...e92bafb625)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: 6.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/python-build-test.yml

@@ -20,7 +20,7 @@ jobs:
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
     - name: Install uv
-      uses: astral-sh/setup-uv@7edac99f961f18b581bbd960d59d049f04c0002f # v6.4.1
+      uses: astral-sh/setup-uv@e92bafb6253dcd438e0484186d7669ea7a8ca1cc # v6.4.3
       with:
         python-version: ${{ matrix.python-version }}
         activate-environment: true