Add dependabot on libraries

[vonglasow]

Dependabot is a tool to manage dependencies and will create a PR when some libraries have new released. It will be helpful to maintain all versions mandatory with removing the rush release planned on hoaproject/central#91

Progression

• [x] Acl,
• [x] Compiler,
• [x] Consistency,
• [x] Console,
• [x] Database,
• [x] Dispatcher,
• [x] Event,
• [x] Exception,
• [x] Graph,
• [x] Iterator,
• [x] Json,
• [x] Kitab,
• [x] Locale,
• [x] Mail,
• [x] Math,
• [x] Mime,
• [x] Option,
• [x] Protocol,
• [x] Registry,
• [x] Ruler,
• [x] Socket,
• [x] Stream,
• [x] Ustring,
• [x] View,
• [x] Visitor,
• [x] Websocket,
• [x] Zombie