Fix versioning as this is an API plugin (#9)

pom.xml

@@ -1,5 +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/maven-v4_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 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
@@ -10,13 +10,14 @@
     </parent>
     <groupId>io.jenkins.plugins</groupId>
     <artifactId>h2-api</artifactId>
-    <version>${changelist}</version>
+    <version>11.${revision}-${changelist}</version>
     <packaging>hpi</packaging>
 
     <name>H2 API Plugin</name>
-    <url>https://github.com/jenkinsci/h2-api-plugin</url>
+    <url>https://github.com/${gitHubRepo}</url>
 
     <properties>
+        <revision>1.4.199</revision>
         <changelist>999999-SNAPSHOT</changelist>
         <gitHubRepo>jenkinsci/h2-api-plugin</gitHubRepo>
         <jenkins.version>2.387.1</jenkins.version>
@@ -26,7 +27,7 @@
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
             <!-- Needs thought in updating https://github.com/jenkinsci/h2-api-plugin/pull/4#pullrequestreview-899178820 -->
-            <version>1.4.199</version>
+            <version>${revision}</version>
         </dependency>
     </dependencies>