Switch publishing release target to sonatype. (#1823)

* Switch publishing targets to sonatype.

* Continue with jfrog

* typo

build.gradle

@@ -3,6 +3,7 @@ import nebula.plugin.release.git.opinion.Strategies
 plugins {
   id 'idea'
 
+  id "io.codearte.nexus-staging" version "0.22.0"
   id "nebula.release" version "15.3.0"
 
   id 'org.gradle.test-retry' version '1.2.0' apply false
@@ -28,6 +29,13 @@ nebulaRelease {
   addReleaseBranchPattern(/v\d+\.\d+\.x/)
 }
 
+nexusStaging {
+  // We publish to two package groups so need to close each group individually until staging profile
+  // is set up. We'll run the command twice with the two groups.
+  // TODO(anuraaga): https://issues.sonatype.org/browse/OSSRH-62444
+  packageGroup = findProperty("mavenCentralGroup")
+}
+
 allprojects {
   apply from: "$rootDir/gradle/dependencies.gradle"
   apply from: "$rootDir/gradle/util.gradle"

gradle/publish.gradle

@@ -4,13 +4,19 @@ apply plugin: 'signing'
 publishing {
   repositories {
     maven {
-      url = version.toString().contains('SNAPSHOT')
-        ? "https://oss.jfrog.org/artifactory/oss-snapshot-local/"
-        : "https://api.bintray.com/maven/open-telemetry/maven/opentelemetry-java-instrumentation/"
+      if (version.toString().contains('SNAPSHOT')) {
+        url = "https://oss.jfrog.org/artifactory/oss-snapshot-local/"
         credentials {
           username = System.getenv('BINTRAY_USER')
           password = System.getenv('BINTRAY_API_KEY')
         }
+      } else {
+        url = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+        credentials {
+          username = System.getenv('SONATYPE_USER')
+          password = System.getenv('SONATYPE_KEY')
+        }
+      }
     }
   }