OSSRH Central Portal migration (#30)

* move from OSSRH to Central Portal publishing
 * https://central.sonatype.org/faq/what-is-different-between-central-portal-and-legacy-ossrh/
 * remove unused OSSRH snapshot repository

Other related release changes
* add Maven version flag
* help tidy-maven-plugin ignore maven-linkcheck-plugin's malformed temporary pom.xml
* fix broken image
* update Google Analytics to GA4
* reference repository copy of LGPL
 * www.gnu.org is not connecting from my IP

Author: chabala

.gitignore

@@ -13,3 +13,6 @@ target
 *.jar
 *.war
 *.ear
+
+# maven-linkcheck-plugin
+/pom[0-9]*.xml

.mvn/maven.config

@@ -0,0 +1 @@
+-V

pom.xml

@@ -17,7 +17,7 @@
     <licenses>
         <license>
             <name>GNU Lesser General Public License 3.0</name>
-            <url>https://www.gnu.org/licenses/lgpl-3.0.txt</url>
+            <url>https://raw.githubusercontent.com/chabala/brick-control-lab/refs/heads/master/COPYING.LESSER</url>
             <distribution>repo</distribution>
         </license>
     </licenses>
@@ -50,10 +50,6 @@
         <url>${ghProjectUrl}/actions</url>
     </ciManagement>
     <distributionManagement>
-        <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
         <site>
             <id>github-pages</id>
             <url>${project.scm.connection}</url>
@@ -69,7 +65,7 @@
         <ghProjectUrl>https://github.com/${ghUser}/${project.artifactId}</ghProjectUrl>
         <ghPagesUrl>https://${ghUser}.github.io/${project.artifactId}/</ghPagesUrl>
         <slf4j.version>1.7.29</slf4j.version>
-        <googleAnalyticsAccountId>UA-256611-4</googleAnalyticsAccountId>
+        <googleAnalyticsAccountId>G-C4CXTKCF75</googleAnalyticsAccountId>
         <sonar.organization>${ghUser}</sonar.organization>
     </properties>
 
@@ -486,14 +482,14 @@
                 <version>4.3.0</version>
             </plugin>
             <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.8</version>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.8.0</version>
                 <extensions>true</extensions>
                 <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                    <publishingServerId>central</publishingServerId>
+                    <autoPublish>true</autoPublish>
+                    <waitUntil>published</waitUntil>
                 </configuration>
             </plugin>
             <plugin>
@@ -652,14 +648,17 @@ for (int i=0; i<files.length; i++) {
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>tidy-maven-plugin</artifactId>
-                <version>1.3.0</version>
+                <version>1.4.0</version>
                 <executions>
                     <execution>
                         <id>validate</id>
                         <phase>validate</phase>
                         <goals>
                             <goal>check</goal>
                         </goals>
+                        <configuration>
+                            <pomFile>${project.basedir}/pom.xml</pomFile>
+                        </configuration>
                     </execution>
                 </executions>
             </plugin>
@@ -768,7 +767,7 @@ for (int i=0; i<files.length; i++) {
                 <plugins>
                     <plugin>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.6</version>
+                        <version>3.2.7</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>

src/site/markdown/index.md

@@ -7,7 +7,7 @@ Library for controlling the [LEGO® control lab interface][1].
 ### What is the control lab?
 
 <a href="https://www.bricklink.com/catalogItemPic.asp?S=9751-1" class="nodecorate">
-<img src="https://camo.githubusercontent.com/a5d3217cb2e92cc029de96ade710af24375c6c80/68747470733a2f2f7777772e627269636b6c696e6b2e636f6d2f534c2f393735312d312e6a7067" 
+<img src="https://web.archive.org/web/20200103084341if_/https://www.bricklink.com/SL/9751-1.jpg" 
 alt="control lab" align="right" width="372" height="240"/>
 </a>
 

src/site/site.xml

@@ -26,7 +26,6 @@
         <name>${project.artifactId}</name>
         <href>${ghPagesUrl}</href>
     </bannerLeft>
-    <googleAnalyticsAccountId>${googleAnalyticsAccountId}</googleAnalyticsAccountId>
     <publishDate />
     <version />
     <skin>
@@ -35,9 +34,15 @@
         <version>1.2</version>
     </skin>
     <body>
-        <head>
-            <![CDATA[<meta name="viewport" content="width=device-width, initial-scale=1.0" />]]>
-        </head>
+        <head><![CDATA[
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <script async src="https://www.googletagmanager.com/gtag/js?id=${googleAnalyticsAccountId}"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){window.dataLayer.push(arguments);}
+      gtag('js', new Date());
+      gtag('config', '${googleAnalyticsAccountId}');
+    </script>]]></head>
         <links>
             <item name="${project.artifactId}" href="${ghPagesUrl}"/>
             <item name="GitHub repo" href="${ghProjectUrl}" />