Adding vrt 1.16 (#78)

Adding support for VRT v1.16.

Author: abhinav-nain

.gitmodules

@@ -64,3 +64,6 @@
 [submodule "lib/data/1.15.1"]
 	path = lib/data/1.15.1
 	url = git@github.com:bugcrowd/vulnerability-rating-taxonomy.git
+[submodule "lib/data/1.16"]
+	path = lib/data/1.16
+	url = git@github.com:bugcrowd/vulnerability-rating-taxonomy.git

CHANGELOG.md

@@ -14,6 +14,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ### Removed
 
+## [v0.13.5](https://github.com/bugcrowd/vrt-ruby/compare/v0.13.4...v0.13.5) - 2025-06-23
+
+### Added
+
+- Support for VRT 1.16
+
 ## [v0.13.4](https://github.com/bugcrowd/vrt-ruby/compare/v0.13.3...v0.13.4) - 2025-03-11
 
 ### Added

lib/data/1.16

@@ -1,3 +1,3 @@
 module Vrt
-  VERSION = '0.13.4'.freeze
+  VERSION = '0.13.5'.freeze
 end