Fix indentation in gem env

[colby-swandale]

Description:

There is a tiny bit of missing indentation in gem env, specifically the list in RUBYGEMS PLATFORM section

Before:

RubyGems Environment:
  - RUBYGEMS VERSION: 3.1.2
  ..
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-darwin-19
  - GEM PATHS:
     - /Users/colby/.asdf/installs/ruby/2.7.0/lib/ruby/gems/2.7.0
     - /Users/colby/.gem/ruby/2.7.0

After:

RubyGems Environment:
  - RUBYGEMS VERSION: 3.2.0.pre1
  ...
  - RUBYGEMS PLATFORMS:
     - ruby
     - x86_64-darwin-19
  - GEM PATHS:
     - /Users/colby/.asdf/installs/ruby/2.7.0/lib/ruby/gems/2.7.0
     - /Users/colby/.gem/ruby/2.7.0