Build(deps): Bump astral-sh/setup-uv from 6.4.1 to 6.4.3 (#4029)

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](astral-sh/setup-uv@7edac99...e92bafb)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci_tests.yaml

@@ -151,7 +151,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Install uv
-        uses: astral-sh/setup-uv@7edac99f961f18b581bbd960d59d049f04c0002f # v6.4.1
+        uses: astral-sh/setup-uv@e92bafb6253dcd438e0484186d7669ea7a8ca1cc # v6.4.3
         with:
           activate-environment: true
           python-version: ${{ matrix.python-version }}