Bump version of AlekSIS-Core

pyproject.toml

 [tool.poetry]
 name = "AlekSIS-App-Lesrooster"
-version = "0.1"
+version = "0.1.0.dev0"
 packages = [
     { include = "aleksis" }
 ]
@@ -32,9 +32,10 @@ priority = "primary"
 name = "gitlab"
 url = "https://edugit.org/api/v4/projects/461/packages/pypi/simple"
 priority = "supplemental"
+
 [tool.poetry.dependencies]
 python = "^3.10"
-AlekSIS-Core = "^4.0.0.dev3"
+AlekSIS-Core = "^4.0.0.dev4"
 AlekSIS-App-Chronos = "^4.0.0.dev1"
 AlekSIS-App-Cursus = "^0.1.dev0"
 django-recurrence = "^1.11.1"