chore(workflow): default mobile releases to prerelease: true

electron-builder autoupdate uses github.com/standardnotes/app/releases/latest to determine if there is a new update. However it does not properly handle monorepos with multi-package releases. As a temporary measure until a better solution is found, only the desktop app should be able to have non-prerelease releases.

.github/workflows/mobile.release.prod.yml

@@ -53,7 +53,7 @@ jobs:
         with:
           token: ${{ secrets.CI_PAT_TOKEN }}
           tag_name: "@standardnotes/mobile@${{ steps.package-version.outputs.current-version}}"
-          prerelease: false
+          prerelease: true
           draft: false
           name: "Mobile ${{ steps.package-version.outputs.current-version }}"
           files: |