Script is using here-string <<< which is not supported by sh, using bash
instead
Also removing "sh" from the command to actually use the bash from the
shebang
Add support for a new SENTRY_RELEASE and SENTRY_ENVIRONMENT env.
It is optional and allows to init sentry with a Release version and an
env (used internally at Twenty).
Docker image have been updated do intergrate the new env as an Argument
