Bump handlebars from 4.1.1 to 4.5.1

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.1 to 4.5.1.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.1.1...v4.5.1)

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -3494,9 +3494,9 @@
       }
     },
     "handlebars": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.1.tgz",
-      "integrity": "sha512-3Zhi6C0euYZL5sM0Zcy7lInLXKQ+YLcF/olbN010mzGQ4XVm50JeyBnMqofHh696GrciGruC7kCcApPDJvVgwA==",
+      "version": "4.5.1",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.1.tgz",
+      "integrity": "sha512-C29UoFzHe9yM61lOsIlCE5/mQVGrnIOrOq7maQl76L7tYPCgC1og0Ajt6uWnX4ZTxBPnjw+CUvawphwCfJgUnA==",
       "dev": true,
       "requires": {
         "neo-async": "^2.6.0",