updating package version to 0.7.0-preview.2

com.unity.perception/CHANGELOG.md

 
 ### Added
 
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+## [0.7.0-preview.2] - 2021-02-08
+
+### Upgrade Notes
+
+### Known Issues
+
+### Added
+
 Added Register() and Unregister() methods to the RandomizerTag API so users can implement RandomizerTag compatible GameObject caching
 
 ### Changed

com.unity.perception/package.json

   "displayName": "Perception",
   "name": "com.unity.perception",
   "unity": "2019.4",
-  "version": "0.7.0-preview.1",
+  "version": "0.7.0-preview.2",
   "samples":[
     {
       "displayName": "Tutorial Files",