New rules for AWS::ElasticLoadBalancingV2::TargetGroup

[kddejong]

Issue #, if available:
fix #4066

Description of changes:

• New rule E3681 to validate target group target type property restrictions
• New rule E3683 to validate target group protocol property restrictions

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.22%. Comparing base (4716882) to head (2d2842d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4082   +/-   ##
=======================================
  Coverage   94.21%   94.22%           
=======================================
  Files         387      389    +2     
  Lines       13354    13388   +34     
  Branches     2645     2649    +4     
=======================================
+ Hits        12582    12615   +33     
  Misses        421      421           
- Partials      351      352    +1     

Flag	Coverage Δ
unittests	94.21% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.