fix: Relax downloadRecording validation

[SMadani]

Removes unnecessary validation of the URL domain in the downloadRecording method of Voice API implementation.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.00%. Comparing base (fe06b81) to head (a689f6d).
Report is 73 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #557      +/-   ##
============================================
+ Coverage     95.60%   96.00%   +0.39%     
- Complexity     3427     3753     +326     
============================================
  Files           513      564      +51     
  Lines          8141     8702     +561     
  Branches        451      497      +46     
============================================
+ Hits           7783     8354     +571     
+ Misses          198      175      -23     
- Partials        160      173      +13     

Files with missing lines	Coverage Δ
src/main/java/com/vonage/client/HttpWrapper.java	100.00% <ø> (ø)
...main/java/com/vonage/client/voice/VoiceClient.java	97.29% <100.00%> (+0.07%)	⬆️

... and 34 files with indirect coverage changes