Bump grape from 1.5.3 to 1.6.2

Bumps [grape](/~https://github.com/ruby-grape/grape) from 1.5.3 to 1.6.2.
- [Release notes](/~https://github.com/ruby-grape/grape/releases)
- [Changelog](/~https://github.com/ruby-grape/grape/blob/master/CHANGELOG.md)
- [Commits](ruby-grape/grape@v1.5.3...v1.6.2)

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

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

Gemfile

@@ -18,7 +18,7 @@ gem 'faker',                  '~> 2.19.0'
 gem 'gov_uk_date_fields',     '~> 3.2'
 gem 'govuk_design_system_formbuilder', '~> 3.0'
 gem 'govuk_notify_rails',     '~> 2.2.0'
-gem 'grape',                  '~> 1.5.3'
+gem 'grape',                  '~> 1.6.2'
 gem 'grape-entity',           '~> 0.10.1'
 gem 'grape-papertrail',       '~> 0.2.0'
 gem 'grape-swagger',          '~> 1.4.2'

Gemfile.lock

@@ -305,7 +305,7 @@ GEM
     govuk_notify_rails (2.2.0)
       notifications-ruby-client (~> 5.1)
       rails (>= 4.1.0)
-    grape (1.5.3)
+    grape (1.6.2)
       activesupport
       builder
       dry-types (>= 1.1)
@@ -764,7 +764,7 @@ DEPENDENCIES
   gov_uk_date_fields (~> 3.2)
   govuk_design_system_formbuilder (~> 3.0)
   govuk_notify_rails (~> 2.2.0)
-  grape (~> 1.5.3)
+  grape (~> 1.6.2)
   grape-entity (~> 0.10.1)
   grape-papertrail (~> 0.2.0)
   grape-swagger (~> 1.4.2)