chore(deps): update dependency handlebars to v4.7.8

Author: renovate[bot]

package.json

@@ -58,7 +58,7 @@
     "eslint-plugin-promise": "5.2.0",
     "eslint-plugin-standard": "4.1.0",
     "fetch-mock": "9.11.0",
-    "handlebars": "4.7.7",
+    "handlebars": "4.7.8",
     "husky": "5.2.0",
     "jest": "27.5.1",
     "jest-extended": "2.0.0",