[DEV] Update dependencies osmosis and mapwriter plugin incl. documenation

[treee111]

This PR…

• osmosis did remove JPF java plugin framework which we use for loading the mapwriter plugin

• closes Mapwriter plugin missing in the current osmosis package #229

Considerations and implementations

JPF was brought back to osmosis in version 0.49.2

• via Revert the "Remove Java Plugin Framework" commits in 0.49.0, to allow external plugins to be loaded in the usual manner openstreetmap/osmosis#141
• issue was reported via How to register plugins (after Java Plugin Framework was removed with v0.49.0) openstreetmap/osmosis#140
• publish to brew with osmosis 0.49.2 Homebrew/homebrew-core#156228

How to test

1. use wahoomc as usual

Pull Request Checklist

• Reviewed the Contributing Guidelines
  • Especially the Pull-Requests section
• Commits (and commit-messages) are understandable
• Tested with macOS / Linux
• Tested with Windows

[treee111]

for reference this it the repo of mapwriter plugin to check the latest version:
https://github.com/mapsforge/mapsforge