remove dialog action from lex event

[artempanko]

Remove DialogAction from LexEvent according to https://docs.aws.amazon.com/lex/latest/dg/lambda-input-response-format.html#using-lambda-input-event-format and align tests with LexResponse model.

[codecov-io]

Codecov Report

Merging #240 into master will increase coverage by 0.1%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           master    #240     +/-   ##
========================================
+ Coverage   74.59%   74.7%   +0.1%     
========================================
  Files          20      20             
  Lines         681     680      -1     
========================================
  Hits          508     508             
+ Misses        128     127      -1     
  Partials       45      45

Impacted Files	Coverage Δ
events/lex.go	0% <ø> (ø)	⬆️

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[artempanko]

@bmoffatt, please review

[diegobernardes]

Hi @artempanko, thanks for this contribution. We're discussing how we can proceed with this kind of request as it breaks our API compatibility. After we have an update, I'll post here.

[bmoffatt]

AWS CodeBuild CI Report

• CodeBuild project: aws-lambda-go-github-ci
• Commit ID: 44d5f64
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[codecov-commenter]

Codecov Report

Merging #240 (af40774) into main (b91101b) will increase coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #240      +/-   ##
==========================================
+ Coverage   72.01%   72.07%   +0.06%     
==========================================
  Files          19       19              
  Lines        1054     1053       -1     
==========================================
  Hits          759      759              
+ Misses        225      224       -1     
  Partials       70       70              

Impacted Files	Coverage Δ
events/lex.go	0.00% <ø> (ø)

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[bmoffatt]

rebased and added a deprecation comment that linters will complain about rather than removing the field