fix: upgrade handlebars from 4.7.7 to 4.7.8

Snyk has created this PR to upgrade handlebars from 4.7.7 to 4.7.8.

See this package in npm:
https://www.npmjs.com/package/handlebars

See this project in Snyk:
https://app.snyk.io/org/mojoaxel/project/4a82070a-b131-4d82-a028-e6b440c6d11a?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -30,7 +30,7 @@
     "argparse": "^2.0.1",
     "eol": "^0.9.1",
     "fs-extra": "^10.0.1",
-    "handlebars": "^4.7.7",
+    "handlebars": "^4.7.8",
     "jsesc": "^3.0.2",
     "json-schema": "^0.4.0",
     "lodash": "^4.17.21",