Update ossrh sonatype staging url

ossrh sunsetted as of June 30, 2025:
https://central.sonatype.org/pages/ossrh-eol/

Author: bitwiseman

pom.xml

@@ -18,12 +18,12 @@
     <snapshotRepository>
       <id>sonatype-nexus-snapshots</id>
       <name>Sonatype Nexus Snapshots</name>
-      <url>https://s01.oss.sonatype.org/content/repositories/snapshots/</url>
+      <url>${nexus.serverUrl}/content/repositories/snapshots/</url>
     </snapshotRepository>
     <repository>
       <id>sonatype-nexus-staging</id>
       <name>Nexus Release Repository</name>
-      <url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+      <url>${nexus.serverUrl}/service/local/staging/deploy/maven2/</url>
     </repository>
     <site>
       <id>github-pages</id>
@@ -49,6 +49,9 @@
 
     <jacoco.surefire.argLine />
     <surefire.argLine />
+
+    <!-- This project was registered before 2021, so it uses the old server. -->
+    <nexus.serverUrl>https://ossrh-staging-api.central.sonatype.com</nexus.serverUrl>
   </properties>
 
   <build>