build(deps): bump handlebars from 4.7.7 to 4.7.8 (#714)

Bumps [handlebars](https://github.com/handlebars-lang/handlebars.js) from 4.7.7 to 4.7.8.
- [Release notes](https://github.com/handlebars-lang/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/v4.7.8/release-notes.md)
- [Commits](handlebars-lang/handlebars.js@v4.7.7...v4.7.8)

---
updated-dependencies:
- dependency-name: handlebars
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

modules/email/package.json

@@ -35,7 +35,7 @@
     "await-to-js": "^3.0.0",
     "convict": "^6.2.4",
     "escape-string-regexp": "^4.0.0",
-    "handlebars": "^4.7.7",
+    "handlebars": "^4.7.8",
     "lodash": "^4.17.21",
     "mailgun-js": "^0.22.0",
     "mandrill-api": "^1.0.45",

yarn.lock

@@ -8299,13 +8299,13 @@ gtoken@^6.1.0:
     google-p12-pem "^4.0.0"
     jws "^4.0.0"
 
-handlebars@^4.7.7:
-  version "4.7.7"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.7.tgz#9ce33416aad02dbd6c8fafa8240d5d98004945a1"
-  integrity sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==
+handlebars@^4.7.7, handlebars@^4.7.8:
+  version "4.7.8"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.8.tgz#41c42c18b1be2365439188c77c6afae71c0cd9e9"
+  integrity sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==
   dependencies:
     minimist "^1.2.5"
-    neo-async "^2.6.0"
+    neo-async "^2.6.2"
     source-map "^0.6.1"
     wordwrap "^1.0.0"
   optionalDependencies:
@@ -10936,7 +10936,7 @@ [email protected], negotiator@^0.6.2, negotiator@^0.6.3:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.3.tgz#58e323a72fedc0d6f9cd4d31fe49f51479590ccd"
   integrity sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==
 
-neo-async@^2.5.0, neo-async@^2.6.0:
+neo-async@^2.5.0, neo-async@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
   integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==