chore!: bump version

BREAKING CHANGE: New field was added in Anki, requiring a one-way sync.

content/Chinesisch-lernen-fuer-die-Sinologie,-Band-1/.apkg-spec.yaml

-content_version: 4.1.5
+content_version: 5.0.0
 
 templates:
 - molaoshi

content/Chinesisch-lernen-fuer-die-Sinologie,-Band-2/.apkg-spec.yaml

-content_version: 1.1.5
+content_version: 2.0.0
 
 templates:
 - molaoshi

package.json

 {
   "name": "sinologie-anki-pack",
-  "version": "3.3.6",
+  "version": "4.0.0",
   "description": "Anki template for learning to write, speak and understand Mandarin Chinese",
   "repository": "https://gitlab.phaidra.org/kartenaale/sinologie-anki-pack",
   "author": "Philipp Stadler <hello@phstadler.com>",