LeGo CertHub v0.19.0

[v0.19.0] - 2024-02-17

This version adds help links to the official documentation on most pages
of the frontend app. There are also a couple of minor bug fixes and
dependency updates.

Added

• Help links on most frontend pages.

Fixed

• Fix possible memory leaks from time.After() calls.
• Fix missing field error related to go-acme le-go.
• Update follow-redirect package to fix CVE-2023-26159.

Changed

• Update to Go 1.22.
• Update to Node 18.19.0.
• Update to math/rand/v2 standard library.
• Update github actions fo Node.js 20 versions.
• Update docker container to Alpine 3.19.
• Shorten application binary name in docker container.