Bump slimmer from 9.0.1 to 10.1.3

[fofr]

We're seeing high memory usage for manuals-frontend that corresponds with component memory leaks.

• Fix memory leak with components: Fix memory leak in components slimmer#191
• Stub locale requests: Fix component locale stubs slimmer#159

cc @h-lame @tijmenb @cbaines

10.1.3

• Fix memory leak in components

10.1.2

• Bugfix for request URI's encoded as ASCII

10.1.1

• Bugfix for caching behaviour

10.1.0

• Use Rails.cache as the cache for templates, locales and components. You can
  remove config.slimmer.use_cache for your application, as you can no longer
  opt-out of caching.
• Add a User-Agent header to all outgoing API requests

10.0.0

• Removes the need_id meta tag, which is no longer used.
• Removes the functionality for breadcrumbs, related links and artefact-powered
  metatags.
• Drop support for old Rails & Ruby versions. This gem now supports Rails 4.2 and 5.X
  on Ruby 2.1 and 2.2.
• Renames Slimmer::SharedTemplates to Slimmer::GovukComponents

9.6.0

• Adds an 'inside header inserter' processor which allows an application to
  inject a block of HTML after the logo by including a .inside-header element
  in their application’s output.
  (PR Upgrade to publishing API v2, use bearer token #167 Add an ‘inside header’ inserter slimmer#167)

• Remove MetaViewportRemover processor as it is no longer used.
  (PR Fix multiple creation of close spans #166 Remove MetaViewportRemover processor slimmer#166)

9.5.0

• Adds a Cucumber helper that makes it easy for host applications to
  configure Slimmer correctly under test.

  (PR 410 on updates with withdrawn manual #162 Add Cucumber test helper slimmer#162)

9.4.0

• Adds an RSpec helper that makes it easy for host applications to
  configure Slimmer correctly under test.

  Fixes stub_shared_component_locales helper to correctly stub HTTP
  requests to fetch locale information when rendering its templates.

  (PR Don't strip leading slashes from the manual URL anymore #159 Fix component locale stubs slimmer#159)

9.3.2

• Bugfix: Over time, the I18n backend would be chained in each request,
  causing the stack to grow too large and use too much memory

  (PR Add meta description tag to manuals #157 Don't chain i18n backend multiple times slimmer#157)

9.3.1

• Allows frontend apps to stub component locales for example

  class ActiveSupport::TestCase
    include Slimmer::TestHelpers::SharedTemplates
  
    def setup
      stub_shared_component_locales
    end
  end

  (PR Remove employment income manual code #155 Add shared test helper for frontend app to use slimmer#155)

9.3.0

• Integrates translations from GOVUK Components to be used in applications

  When including Slimmer::SharedComponents, the I18nBackend will be chained to Slimmer::I18nBackend allowing translations in static to work in the frontend applications

  (PR Run tests against jQuery 1.11.3 #152 Autoload i18n backend slimmer#152)

9.2.1

• Replaces deprecated before_filter calls in shared templates.

9.2.0

• Raise a custom CouldNotRetrieveTemplate exception when a connection to the assets server can't be made because of an SSL problem (PR Add contract tests #143).

9.1.0

• Allow applications to request components using full or partial component
  paths, eg "name", "name.raw" and "name.raw.html.erb". This allows
  components to be nested within other components.