[TASK] Set version to 7.0.0

Author: dkd-friedrich

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.typo3.solr</groupId>
     <artifactId>solr-typo3-plugin</artifactId>
-    <version>6.1.0</version>
+    <version>7.0.0</version>
     <packaging>jar</packaging>
     <name>Solr TYPO3 Plugin</name>
     <description>A plugin for Solr to implement TYPO3 support functionality.</description>