android: fix getting RN version in release script

android/scripts/release-sdk.sh

 MVN_HTTP=0
 DEFAULT_SDK_VERSION=$(grep sdkVersion ${THIS_DIR}/../gradle.properties | cut -d"=" -f2)
 SDK_VERSION=${OVERRIDE_SDK_VERSION:-${DEFAULT_SDK_VERSION}}
-RN_VERSION=$(jq -r '.dependencies."react-native"' ${THIS_DIR}/../../package.json)
+RN_VERSION=$(jq -r '.version' ${THIS_DIR}/../../node_modules/react-native/package.json)
 HERMES_VERSION=$(jq -r '.dependencies."hermes-engine"' ${THIS_DIR}/../../node_modules/react-native/package.json | cut -c 2-)
 DO_GIT_TAG=${GIT_TAG:-0}