Include libyaml-dev to fix psych dependency

[tbavelier]

What does this PR do?

• Includes libyaml-dev in Dockerfile

Motivation

Fix Kitchen tests failing:

#32 33.64     current directory: /usr/share/gems/gems/psych-5.2.6/ext/psych
#32 33.64 /usr/bin/ruby -I /usr/share/rubygems extconf.rb
#32 33.64 checking for yaml.h... no
#32 33.64 yaml.h not found
[...]

33.64 In Gemfile:
33.64   kitchen-puppet was resolved to 3.7.0, which depends on
33.64     test-kitchen was resolved to 3.9.0, which depends on
33.64       irb was resolved to 1.15.2, which depends on
33.64         rdoc was resolved to 6.14.2, which depends on
33.64           psych

Solution is to install the dependency rails/rails#53306 (comment)

Additional Notes

Describe your test plan