Change vendor from kitodo to ub-mannheim

Signed-off-by: Christos Sidiropoulos <[email protected]>

composer.json

@@ -1,5 +1,5 @@
 {
-  "name": "kitodo/presentation",
+  "name": "ub-mannheim/presentation",
   "description": "Base plugins, modules, services and API of the Digital Library Framework. It is part of the community-based Kitodo Digitization Suite.",
   "type": "typo3-cms-extension",
   "homepage": "https://www.kitodo.org",