chore: prepare release 1.3.0 (#251)

Signed-off-by: Ruben Romero Montes <rromerom@redhat.com>

Author: ruromero

gradle.properties

@@ -1,4 +1,4 @@
-projectVersion=1.3.0-SNAPSHOT
+projectVersion=1.3.0
 jetBrainsToken=invalid
 jetBrainsChannel=stable
 
@@ -20,4 +20,4 @@ kotlin.stdlib.default.dependency=false
 org.gradle.configuration-cache=false
 
 # Enable Gradle Build Cache -> https://docs.gradle.org/current/userguide/build_cache.html
-org.gradle.caching=true
+org.gradle.caching=true