update dependencies (plugins)

All plugins are now at v0.2, except wiki-plugin-chart that had a previous breaking change so is at v0.3

Plugin packages all see a change of minor version - all plugins have been touched to update their devDependencies, which in most cases have not been updated for a year.

There will be at least one more commit added to this pull request to update the wiki-server and wiki-client versions which will also have an increment in minor version.