Don't fail allowed values when resource has condition

[kddejong]

Issue #, if available:
Fix #955
Description of changes:

• Don't fail rule W2030 when resource has a condition

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[codecov]

Codecov Report

Merging #1140 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1140      +/-   ##
==========================================
+ Coverage   87.77%   87.77%   +<.01%     
==========================================
  Files         135      135              
  Lines        7990     7993       +3     
  Branches     1963     1964       +1     
==========================================
+ Hits         7013     7016       +3     
  Misses        580      580              
  Partials      397      397

Impacted Files	Coverage Δ
src/cfnlint/rules/parameters/AllowedValue.py	97.05% <100%> (+0.13%)	⬆️

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