chore(dispatch-service): bump release version to 0.7.0-SNAPSHOT (#262)

* [maven-release-plugin] prepare release dispatch-service-0.6.0

* [maven-release-plugin] prepare for next development iteration

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Co-authored-by: GitHub Actions <github-actions@github.com>

Author: github-actions[bot]

dispatch-service/pom.xml

@@ -11,7 +11,7 @@
 
     <groupId>de.muenchen.oss.swim</groupId>
     <artifactId>dispatch-service</artifactId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.7.0-SNAPSHOT</version>
     <name>dispatch-service</name>
     <description>SWIM service for notifying other services (i.e. DMS) that a file is ready for further processing via Kafka</description>
     <url>https://github.com/it-at-m/swim</url>