[maven-release-plugin] prepare release graphviz-java-parent-0.8.4

Author: nidi3

graphviz-java/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>guru.nidi</groupId>
         <artifactId>graphviz-java-parent</artifactId>
-        <version>0.8.4-SNAPSHOT</version>
+        <version>0.8.4</version>
     </parent>
 
     <artifactId>graphviz-java</artifactId>

graphviz-kotlin/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>guru.nidi</groupId>
         <artifactId>graphviz-java-parent</artifactId>
-        <version>0.8.4-SNAPSHOT</version>
+        <version>0.8.4</version>
     </parent>
 
     <artifactId>graphviz-kotlin</artifactId>

pom.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
@@ -11,7 +10,7 @@
     </parent>
 
     <artifactId>graphviz-java-parent</artifactId>
-    <version>0.8.4-SNAPSHOT</version>
+    <version>0.8.4</version>
     <packaging>pom</packaging>
 
     <name>${project.artifactId}</name>
@@ -34,7 +33,7 @@
         <connection>scm:git:https://github.com/nidi3/graphviz-java</connection>
         <developerConnection>scm:git:https://github.com/nidi3/graphviz-java</developerConnection>
         <url>https://github.com/nidi3/graphviz-java</url>
-        <tag>HEAD</tag>
+        <tag>graphviz-java-parent-0.8.4</tag>
     </scm>
 
     <dependencies>