build(deps): bump handlebars from 4.7.2 to 4.7.3 (#2929)

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.7.2 to 4.7.3.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](handlebars-lang/handlebars.js@v4.7.2...v4.7.3)

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

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "autoprefixer": "^9.7.4",
     "cheerio": "^0.22.0",
     "fibers": "^4.0.2",
-    "handlebars": "^4.7.2",
+    "handlebars": "^4.7.3",
     "jstransformer-handlebars": "^1.1.0",
     "junk": "^3.1.0",
     "lodash.defaultsdeep": "^4.6.1",