Update snapshot repository

Author: HeikoBornholdt

docs/getting-started.md

@@ -15,8 +15,9 @@ Maven:
 ```xml title="pom.xml"
 <repositories>
     <repository>
-        <id>oss.sonatype.org-snapshot</id>
-        <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+        <name>Central Portal Snapshots</name>
+        <id>central-portal-snapshots</id>
+        <url>https://central.sonatype.com/repository/maven-snapshots/</url>
         <releases>
             <enabled>false</enabled>
         </releases>