Change deploy repo to mavenCentral (#239)

Nexus2 repo is being sunsetted.

The config options I removed aren't available or necessary on the mavenCentral deployer.

Author: milesziemer

build.gradle.kts

@@ -358,13 +358,10 @@ jreleaser {
 
     deploy {
         maven {
-            nexus2 {
+            mavenCentral {
                 create("maven-central") {
                     active = Active.ALWAYS
-                    url = "https://aws.oss.sonatype.org/service/local"
-                    snapshotUrl = "https://aws.oss.sonatype.org/content/repositories/snapshots"
-                    closeRepository = true
-                    releaseRepository = true
+                    url = "https://central.sonatype.com/api/v1/publisher"
                     stagingRepository(stagingDirectory.get().toString())
                 }
             }