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

pom.xml

@@ -7,7 +7,7 @@
     <description>Replication Task Suite: A DSpace add-on providing Curation Tasks that perform replication
      (backup and restore) of DSpace content to other locations or services.</description>
     <url>https://wiki.lyrasis.org/display/DSPACE/ReplicationTaskSuite</url>
-    <version>7.6</version>
+    <version>8.0-SNAPSHOT</version>
 
     <organization>
         <name>LYRASIS</name>
@@ -372,7 +372,7 @@
         <connection>scm:git:git@github.com:DSpace/dspace-replicate.git</connection>
         <developerConnection>scm:git:git@github.com:DSpace/dspace-replicate.git</developerConnection>
         <url>git@github.com:DSpace/dspace-replicate.git</url>
-        <tag>dspace-replicate-7.6</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <!-- Configure our release repositories to use Sonatype.