chore: specify new sonatype endpoint (#773)

The cdklabs-automation account is associated with the new sonatype endpoint https://s01.oss.sonatype.org, so we need to publish to it.

Author: Elad Ben-Israel

.github/workflows/release-10.x.yml

@@ -32,6 +32,7 @@ const project = new JsiiProject({
     javaPackage: 'software.constructs',
     mavenGroupId: 'software.constructs',
     mavenArtifactId: 'constructs',
+    mavenEndpoint: 'https://s01.oss.sonatype.org',
   },
 
   publishToPypi: {