chore(deps): bump actions/download-artifact from 4 to 5 (#76)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v5
     - name: Download unsigned APK
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: app-release-unsigned.apk
     - name: Sign APK

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
       with:
         args: -vv --latest --strip all
     - name: Download APK
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: app-release.apk
     - name: Upload Release