Bump version from 0.15.0-SNAPSHOT to 0.16.0-SNAPSHOT [skip ci]

Author: eclipse-edc-bot

gradle.properties

@@ -1,5 +1,5 @@
 group=org.eclipse.edc.gcp
-version=0.15.0-SNAPSHOT
+version=0.16.0-SNAPSHOT
 
 # used for publishing artifacts and plugins
 techGcpScmConnection=scm:git:git@github.com:eclipse-edc/Technology-Gcp.git

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 format.version = "1.1"
 
 [versions]
-edc = "0.15.0-SNAPSHOT"
+edc = "0.16.0-SNAPSHOT"
 failsafe = "3.3.1"
 googleApiGax = "2.68.0"
 googleApisIam = "v2-rev20240108-2.0.0"