Upgrade to new Sonatype build infrastructure.

pom.xml

@@ -23,6 +23,7 @@
     <source.plugin.version>3.0.1</source.plugin.version>
     <javadoc.plugin.version>3.2.0</javadoc.plugin.version>
     <ocfl-java.version>1.3.1</ocfl-java.version>
+    <sonatype.host>s01.oss.sonatype.org</sonatype.host>
   </properties>
 
   <scm>
@@ -241,11 +242,11 @@
     <snapshotRepository>
       <id>sonatype-nexus-snapshots</id>
       <name>Sonatype Nexus Shapshots</name>
-      <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+      <url>https://${sonatype.host}/content/repositories/snapshots/</url>
     </snapshotRepository>
     <repository>
       <id>sonatype-nexus-staging</id>
-      <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+      <url>https://${sonatype.host}/service/local/staging/deploy/maven2/</url>
     </repository>
   </distributionManagement>
 
@@ -305,7 +306,7 @@
     <repository>
       <id>sonatype-nexus-snapshots</id>
       <name>Sonatype Nexus Snapshots</name>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+      <url>https://${sonatype.host}/content/repositories/snapshots</url>
       <releases>
         <enabled>false</enabled>
       </releases>
@@ -319,7 +320,7 @@
     <pluginRepository>
       <id>sonatype-nexus-snapshots</id>
       <name>Sonatype Nexus Snapshots</name>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+      <url>https://${sonatype.host}/content/repositories/snapshots</url>
       <releases>
         <enabled>false</enabled>
       </releases>