Pass our VERSION to sentry plugin's release arg via env (#19474)

Use our existing VERSION, deduced by the packaging script, as the release for sentry sourcemaps.

This will be undefined for dev builds.

scripts/package.sh

@@ -9,7 +9,7 @@ else
 fi
 
 yarn clean
-yarn build
+VERSION=$version yarn build
 
 # include the sample config in the tarball. Arguably this should be done by
 # `yarn build`, but it's just too painful.

webpack.config.js

@@ -532,9 +532,10 @@ module.exports = (env, argv) => {
  // upload to sentry if sentry env is present
  process.env.SENTRY_DSN &&
  new SentryCliPlugin({
- release: process.env.RELEASE,
+ release: process.env.VERSION,
  include: "./webapp",
  }),
+ new webpack.EnvironmentPlugin(['VERSION']),
  ].filter(Boolean),
 
  output: {