[Cashtab] Patch the release build script to ensure we get the version from package.json

Summary: Some AI hallucinations in "fixing" this with the recaptcha deploy, we do not want to handle this env var differently from the dev build

Test Plan: ./build-android-release.sh, release build shows the version on the settings page

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D19122