Bump handlebars from 4.0.11 to 4.5.3 in /examples/website

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.0.11 to 4.5.3.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/master/release-notes.md)
- [Commits](handlebars-lang/handlebars.js@v4.0.11...v4.5.3)

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

examples/website/package.json

@@ -78,7 +78,7 @@
     "glsl-tokenizer": "^2.1.2",
     "graphql": "^0.11.7",
     "halting-problem": "^1.0.2",
-    "handlebars": "^4.0.6",
+    "handlebars": "^4.5.3",
     "htmlparser2": "^3.9.0",
     "intl-messageformat-parser": "^1.3.0",
     "isomorphic-fetch": "^2.2.1",

examples/website/yarn.lock

@@ -406,7 +406,7 @@ [email protected], async@^2.1.2, async@^2.4.1:
   dependencies:
     lodash "^4.14.0"
 
-async@^1.4.0, async@^1.5.0, async@^1.5.2:
+async@^1.5.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -3494,15 +3494,15 @@ halting-problem@^1.0.2:
   dependencies:
     acorn "^2.4.0"
 
-handlebars@^4.0.0, handlebars@^4.0.6:
-  version "4.0.11"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
+handlebars@^4.0.0, handlebars@^4.0.6, handlebars@^4.5.3:
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
   dependencies:
-    async "^1.4.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
-    source-map "^0.4.4"
+    source-map "^0.6.1"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-schema@^1.0.5:
   version "1.0.5"
@@ -4953,6 +4953,10 @@ [email protected]:
   dependencies:
     xml-char-classes "^1.0.0"
 
+neo-async@^2.6.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
+
 no-case@^2.2.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"
@@ -6636,12 +6640,6 @@ source-map@^0.1.38:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
-  dependencies:
-    amdefine ">=0.0.4"
-
 spdx-correct@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
@@ -7103,7 +7101,7 @@ [email protected]:
     commander "~2.11.0"
     source-map "~0.6.1"
 
-uglify-js@^2.6, uglify-js@^2.8.29:
+uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -7112,6 +7110,10 @@ uglify-js@^2.6, uglify-js@^2.8.29:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@^3.1.4:
+  version "3.11.6"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.11.6.tgz#144b50d3e05eadd3ad4dd047c60ca541a8cd4e9c"
+
 uglify-loader@^2.0.0:
   version "2.0.0"
   resolved "http://r.npm.sankuai.com/uglify-loader/download/uglify-loader-2.0.0.tgz#eefc183faf17b2c168b503bbeed01b1a6140ec01"