CI(deps): Update astral-sh/setup-uv action to v6.7.0 (OSGeo#6356)

Author: renovate[bot]

.github/workflows/additional_checks.yml

@@ -38,7 +38,7 @@ jobs:
         with:
           python-version: "3.13"
       - name: Install uv and restore its cache
-        uses: astral-sh/setup-uv@557e51de59eb14aaaba2ed9621916900a91d50c6 # v6.6.1
+        uses: astral-sh/setup-uv@b75a909f75acd358c2196fb9a5f1299a9a8868a4 # v6.7.0
         with:
           # To not have the last commit JSON and release notes files affected on
           # releases, if copying the contents displayed in the CI logs.