chore(deps): bump dawidd6/action-download-artifact from 5 to 6

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 5 to 6.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/create-installer.yml

@@ -27,7 +27,7 @@ jobs:
           fetch-depth: 0 # allows for tags access
 
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@v5
+        uses: dawidd6/action-download-artifact@v6
         with:
           workflow: build.yml
           name: chatterino-windows-x86-64-Qt-${{ matrix.qt-version }}.zip
@@ -122,7 +122,7 @@ jobs:
           path: build/
 
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@v5
+        uses: dawidd6/action-download-artifact@v6
         with:
           workflow: build.yml
           name_is_regexp: true