Update version of default branch to 0.15.0-SNAPSHOT

[no rc]

pom.xml

@@ -29,7 +29,7 @@
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<os-core-common.version>0.14.0</os-core-common.version>
-		<os-core-lib-ibm.version>0.14.0-SNAPSHOT</os-core-lib-ibm.version>
+		<os-core-lib-ibm.version>0.15.0-SNAPSHOT</os-core-lib-ibm.version>
 		<log4j2.version>2.17.1</log4j2.version>
 	</properties>