ci: change lockfile download paths

Author: edeckers

.github/workflows/upgrade-dependencies.yml

@@ -67,9 +67,11 @@ jobs:
       - uses: actions/download-artifact@v2
         with:
           name: pod-changes
+          path: ios
       - uses: actions/download-artifact@v2
         with:
           name: gradle-package-changes
+          path: android
       - uses: peter-evans/create-pull-request@v3
         with:
           add-paths: |