Update version in gradle.properties

gradle.properties

@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-release_version=5.12.0
+release_version=5.13.0
 kotlin_version=1.8.22
 description='th2 common library (Java)'
 vcs_url=https://github.com/th2-net/th2-common-j
-kapt.include.compile.classpath=false
+kapt.include.compile.classpath=false