feat: Add support for TriggerConfigurations in DeploymentConfiguration

[to-mc]

Issue #, if available: #955

Description of changes: Add support for trigger configurations on deployment preference resources.

Description of how you validated changes: Unit tests, test translate & deploy with a simple template making use of the new TriggerConfig parameter in DeploymentConfig.

Checklist:

• Write/update tests
• make pr passes
• Update documentation
• Verify transformed template deploys and application functions as expected
• Add/update example to examples/2016-10-31

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #1195 into develop will increase coverage by 0.09%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           develop    #1195      +/-   ##
===========================================
+ Coverage    94.33%   94.43%   +0.09%     
===========================================
  Files           72       72              
  Lines         3725     3736      +11     
  Branches       733      739       +6     
===========================================
+ Hits          3514     3528      +14     
+ Misses         107      105       -2     
+ Partials       104      103       -1

Impacted Files	Coverage Δ
samtranslator/model/codedeploy.py	100% <ø> (ø)	⬆️
...nslator/model/preferences/deployment_preference.py	100% <100%> (ø)	⬆️
...el/preferences/deployment_preference_collection.py	91.35% <100%> (+0.21%)	⬆️
samtranslator/sdk/parameter.py	100% <0%> (ø)	⬆️
samtranslator/model/sam_resources.py	95.61% <0%> (+0.01%)	⬆️
samtranslator/model/eventsources/push.py	89.81% <0%> (+0.28%)	⬆️
samtranslator/swagger/swagger.py	92.57% <0%> (+0.37%)	⬆️

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[ShreyaGangishetty]

@cakepietoast Thank you for contributing this feature!

[jlhood]

This is a great feature! Have some minor doc comments, but the functional code looks good.

[jlhood]

The updates look good!