chore(version): Update package versions [skip ci]

extensions/test-extension/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/extension-test",
-  "version": "3.12.0-beta.7",
+  "version": "3.12.0-beta.8",
   "description": "OHIF extension used inside e2e testing",
   "author": "OHIF",
   "license": "MIT",