Update datenverteiler_version to v3.18.0 (#69)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: ChristianHoesel

de.bitctrl.dav.rest.client/build.gradle

@@ -10,7 +10,7 @@ description = 'Dav3 REST Client'
 
 ext {
 
-	datenverteiler_version = "3.17.1"
+	datenverteiler_version = "3.18.0"
 }
 
 dependencies {