Bump actions/download-artifact from 5 to 6

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/make-release.yml

@@ -66,7 +66,7 @@ jobs:
           ref: ${{ github.event.inputs.version }}
 
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           path: /tmp/
 
@@ -114,7 +114,7 @@ jobs:
   #        uses: ./.github/actions/flutter-common
   #
   #      - name: Download builds
-  #        uses: actions/download-artifact@v5
+  #        uses: actions/download-artifact@v6
   #        with:
   #          path: /tmp/
   #
@@ -133,7 +133,7 @@ jobs:
 
     steps:
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
 
       - name: Make Github release
         uses: softprops/action-gh-release@v2