[REL] v2.0.6

# v2.0.6

 - [IMP] devtools: provide access to Fiber and RootFiber
 - Bump shelljs and git-rev-sync
 - [FIX] props validation: do not subscribe to props keys
 - [FIX] reactivity: only show key in subscription if observed by callback
 - [FIX] components: stop rendering stale t-component when delayed

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@odoo/owl",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "description": "Odoo Web Library (OWL)",
   "main": "dist/owl.cjs.js",
   "module": "dist/owl.es.js",