Bump three from 0.125.0 to 0.137.0 in /bin/playground

Bumps [three](https://github.com/mrdoob/three.js) from 0.125.0 to 0.137.0.
- [Release notes](https://github.com/mrdoob/three.js/releases)
- [Commits](https://github.com/mrdoob/three.js/commits)

---
updated-dependencies:
- dependency-name: three
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

bin/playground/package.json

@@ -3,7 +3,7 @@
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-three-fiber": "^3.0.15",
-    "three": "^0.125.0",
+    "three": "^0.137.0",
     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.10"
   }

bin/playground/yarn.lock

@@ -2743,10 +2743,10 @@ terser@^4.1.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
-three@^0.125.0:
-  version "0.125.0"
-  resolved "https://registry.yarnpkg.com/three/-/three-0.125.0.tgz#19e922b9dc51ad0b706893aeee888de68e99850a"
-  integrity sha512-qL36qUGsPQ/Ofo/RZdXwHwM7A8wzUSAIyawtjIebJSPvounUQeneSqxI0aBY2iwKpseGy+RUtj3C5f/z4poyXw==
+three@^0.137.0:
+  version "0.137.0"
+  resolved "https://registry.yarnpkg.com/three/-/three-0.137.0.tgz#0ebd6ba66637a332c31f234bcdd35aeec071a6e3"
+  integrity sha512-rzSDhia6cU35UCy6y+zEEws6vSgytfHqFMSaBvUcySgzwvDO6vETyswtSNi/+aVqJw8WLMwyT1mlQQ1T/dxxOA==
 
 through2@^2.0.0:
   version "2.0.5"