Bump validates_email_format_of from 1.6.3 to 1.8.2

Bumps [validates_email_format_of](https://github.com/validates-email-format-of/validates_email_format_of) from 1.6.3 to 1.8.2.
- [Release notes](https://github.com/validates-email-format-of/validates_email_format_of/releases)
- [Changelog](https://github.com/validates-email-format-of/validates_email_format_of/blob/master/CHANGELOG.md)
- [Commits](validates-email-format-of/validates_email_format_of@v1.6.3...v1.8.2)

---
updated-dependencies:
- dependency-name: validates_email_format_of
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -215,7 +215,7 @@ GEM
     high_voltage (3.1.2)
     htmlentities (4.3.4)
     http_parser.rb (0.6.0)
-    i18n (1.14.4)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     inline_svg (1.7.2)
       activesupport (>= 3.0)
@@ -481,6 +481,8 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
+    simpleidn (0.2.2)
+      unf (~> 0.1.4)
     sinatra (3.2.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
@@ -514,8 +516,12 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    validates_email_format_of (1.6.3)
-      i18n
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.9.1)
+    validates_email_format_of (1.8.2)
+      i18n (>= 0.8.0)
+      simpleidn
     vanity (3.0.0)
       i18n
     version_gem (1.1.4)