build(deps): bump cf-uaa-lib from 4.0.4 to 4.0.6

Bumps [cf-uaa-lib](https://github.com/cloudfoundry/cf-uaa-lib) from 4.0.4 to 4.0.6.
- [Release notes](https://github.com/cloudfoundry/cf-uaa-lib/releases)
- [Changelog](https://github.com/cloudfoundry/cf-uaa-lib/blob/master/CHANGELOG.md)
- [Commits](cloudfoundry/cf-uaa-lib@v4.0.4...v4.0.6)

---
updated-dependencies:
- dependency-name: cf-uaa-lib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile

@@ -61,7 +61,7 @@ gem 'fog-google', '~> 1.24.1'
 gem 'fog-local'
 gem 'fog-openstack'
 
-gem 'cf-uaa-lib', '~> 4.0.4'
+gem 'cf-uaa-lib', '~> 4.0.6'
 gem 'vcap-concurrency', git: 'https://github.com/cloudfoundry/vcap-concurrency.git', ref: '2a5b0179'
 
 group :db do

Gemfile.lock

@@ -117,9 +117,10 @@ GEM
     bit-struct (0.17)
     builder (3.3.0)
     byebug (11.1.3)
-    cf-uaa-lib (4.0.4)
+    cf-uaa-lib (4.0.6)
       addressable (~> 2.8, >= 2.8.0)
       httpclient (~> 2.8, >= 2.8.2.4)
+      json_pure (~> 2.7)
       multi_json (>= 1.12.1, < 1.16)
     clockwork (3.0.2)
       activesupport
@@ -603,7 +604,7 @@ DEPENDENCIES
   allowy (>= 2.1.0)
   azure-storage-blob!
   byebug
-  cf-uaa-lib (~> 4.0.4)
+  cf-uaa-lib (~> 4.0.6)
   clockwork
   cloudfront-signer
   codeclimate-test-reporter (>= 1.0.8)