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

Author: BrandonArp

pom.xml

@@ -29,7 +29,7 @@
   <name>Open Telemetry Protocol</name>
   <description>Open Telemetry protocol for building storage integrations</description>
   <url>https://github.com/ArpNetworking/open-telemetry-protocol</url>
-  <version>1.0.3</version>
+  <version>1.0.4-SNAPSHOT</version>
 
   <licenses>
     <license>
@@ -63,7 +63,7 @@
     <connection>scm:git:[email protected]:arpnetworking/open-telemetry-protocol.git</connection>
     <developerConnection>scm:git:[email protected]:arpnetworking/open-telemetry-protocol.git</developerConnection>
     <url>https://github.com/arpnetworking/open-telemetry-protocol</url>
-    <tag>open-telemetry-protocol-1.0.3</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <properties>