[graylog-plugin-integrations] prepare for next development iteration

pom.xml

@@ -24,12 +24,12 @@
     <parent>
         <groupId>org.graylog.plugins</groupId>
         <artifactId>graylog-plugin-web-parent</artifactId>
-        <version>5.0.0-alpha.1</version>
+        <version>5.0.0-SNAPSHOT</version>
         <relativePath>../graylog2-server/graylog-plugin-parent/graylog-plugin-web-parent</relativePath>
     </parent>
 
     <artifactId>graylog-plugin-integrations</artifactId>
-    <version>5.0.0-alpha.1</version>
+    <version>5.0.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>${project.artifactId}</name>
@@ -49,7 +49,7 @@
         <maven.install.skip>true</maven.install.skip>
         <maven.deploy.skip>true</maven.deploy.skip>
         <maven.site.skip>true</maven.site.skip>
-        <graylog.version>5.0.0-alpha.1</graylog.version>
+        <graylog.version>5.0.0-SNAPSHOT</graylog.version>
         <aws-java-sdk-2.version>2.17.77</aws-java-sdk-2.version>
         <aws-kinesis-client.version>2.2.10</aws-kinesis-client.version>
         <integrations.protobuf.version>3.11.1</integrations.protobuf.version>