Prepare for release 0.27.0.

Author: stagg

gradle.properties

@@ -90,7 +90,7 @@ POM_DEVELOPER_ID=slackhq
 POM_DEVELOPER_NAME=Slack Technologies, Inc.
 POM_DEVELOPER_URL=https://github.com/slackhq
 POM_INCEPTION_YEAR=2022
-VERSION_NAME=0.27.0-SNAPSHOT
+VERSION_NAME=0.27.0
 
 circuit.mavenUrls.snapshots.sonatype=https://oss.sonatype.org/content/repositories/snapshots
 circuit.mavenUrls.snapshots.sonatypes01=https://s01.oss.sonatype.org/content/repositories/snapshots