2023-11 dependecy update

[arnecls]

This updates all dependencies to latest version. It also increases the minimum node version to 18 and the minimum homebridge version to 1.6.

Updates

• Node from >=14.18.1 to ^18.17.0 || ^20.9.0
• Homebridge from >=1.3.5 to ^1.6.0
• bosch-smart-home-bridge from ^1.0.0 to ^1.2.2
• rxjs from ^7.4.0 to ^7.8.1
• selfsigned from ^1.10.11 to ^2.4.1
• developer dependencies synced with homebridge-plugin-template

Chores

• Added Maintenance section to README.md
• Synced GitHub action with homebridge-plugin-template

[dynastor]

how can i install this release?

[Jarvichi]

how can i install this release?

The change requires review. I've given it a look, it seems good.

[Jarvichi]

@arnecls any chance of getting this change merged?