* listmonk: fix frontend build using Webpack due to OpenSSL 3.0 deprecations
See the OpenSSL 3.0 section here https://medium.com/the-node-js-collection/node-js-17-is-here-8dba1e14e382 for explanations.
Adds the missing hooks (pre/postinstall).
* listmonk: fix runHook preInstall
* listmonk: fix runHook postInstall
Co-authored-by: superherointj <5861043+superherointj@users.noreply.github.com>