Feature/voice machine detection

[SecondeJK]

This PR adds Advanced Machine Detection to the Connect NCCO and Outbound Call method.

Description

This has been done as a value object for better developer experience. The value object, Vonage\Voice\VoiceObjects\AdvancedMachineDetection also has API validation baked-in.

How Has This Been Tested?

Relevent tests have been written.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #404 (acbb29a) into main (8dc0f5b) will decrease coverage by 0.02%. The diff coverage is 75.86%.

@@             Coverage Diff              @@
##               main     #404      +/-   ##
============================================
- Coverage     77.58%   77.56%   -0.02%     
- Complexity     1934     1958      +24     
============================================
  Files           190      191       +1     
  Lines          5153     5211      +58     
============================================
+ Hits           3998     4042      +44     
- Misses         1155     1169      +14     

Impacted Files	Coverage Δ
...rc/Voice/VoiceObjects/AdvancedMachineDetection.php	68.18% <68.18%> (ø)
src/Voice/Client.php	100.00% <100.00%> (ø)
src/Voice/NCCO/Action/Connect.php	100.00% <100.00%> (ø)
src/Voice/OutboundCall.php	95.65% <100.00%> (+0.53%)	:arrow_up:

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[SecondeJK]

Yep, this serialization is correct. NCCO is advancedMachineDetection, outbound call is advanced_machine_detection