chore(deps): update terminal-table requirement from >= 1.8, < 4.0 to …

…>= 1.8, < 5.0

Updates the requirements on [terminal-table](https://github.com/tj/terminal-table) to permit the latest version.
- [Release notes](https://github.com/tj/terminal-table/releases)
- [Changelog](https://github.com/tj/terminal-table/blob/master/History.rdoc)
- [Commits](tj/terminal-table@v1.8.0...v4.0.0)

---
updated-dependencies:
- dependency-name: terminal-table
  dependency-type: direct:production
...

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

tfctl.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
     spec.add_dependency 'aws-sdk-organizations', '~> 1.40'
     spec.add_dependency 'json_schemer',          '>= 0.2', '< 3.0'
     spec.add_dependency 'parallel',              '~> 1.19'
-    spec.add_dependency 'terminal-table',        '>= 1.8', '< 4.0'
+    spec.add_dependency 'terminal-table',        '>= 1.8', '< 5.0'
 
     spec.add_development_dependency 'guard-rspec',   '~> 4.7'
     spec.add_development_dependency 'rspec',         '~> 3.9'