build(deps): bump scientist from 1.1.1 to 1.5.0

Bumps [scientist](https://github.com/github/scientist) from 1.1.1 to 1.5.0.
- [Release notes](https://github.com/github/scientist/releases)
- [Changelog](https://github.com/github/scientist/blob/master/doc/changelog.md)
- [Commits](github/scientist@v1.1.1...v1.5.0)

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

Author: dependabot[bot]

Gemfile

@@ -64,7 +64,7 @@ gem 'cf-uaa-lib', '~> 3.14.0'
 gem 'vcap-concurrency', git: 'https://github.com/cloudfoundry/vcap-concurrency.git', ref: '2a5b0179'
 
 gem 'cf-perm', '~> 0.0.10'
-gem 'scientist', '~> 1.1.0'
+gem 'scientist', '~> 1.5.0'
 
 group :db do
   gem 'mysql2', '~> 0.5.3'

Gemfile.lock

@@ -420,7 +420,7 @@ GEM
       sexp_processor (~> 4.1)
     rubyzip (2.3.0)
     safe_yaml (1.0.4)
-    scientist (1.1.1)
+    scientist (1.5.0)
     sequel (5.38.0)
     sexp_processor (4.7.0)
     signet (0.11.0)
@@ -576,7 +576,7 @@ DEPENDENCIES
   rubocop (~> 0.93.1)
   ruby-debug-ide (>= 0.7.0.beta4)
   rubyzip (>= 1.3.0)
-  scientist (~> 1.1.0)
+  scientist (~> 1.5.0)
   sequel (~> 5.38)
   sinatra (~> 2.0)
   sinatra-contrib