fix: Bing search URL update

[mhamilton723]

No description provided.

[mhamilton723]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #1048 (d40f1bc) into master (b704515) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head d40f1bc differs from pull request most recent head 9d5ae04. Consider uploading reports for the commit 9d5ae04 to get more accurate results

@@            Coverage Diff             @@
##           master    #1048      +/-   ##
==========================================
- Coverage   84.93%   84.91%   -0.03%     
==========================================
  Files         203      203              
  Lines        9677     9677              
  Branches      588      588              
==========================================
- Hits         8219     8217       -2     
- Misses       1458     1460       +2     

Impacted Files	Coverage Δ
...microsoft/ml/spark/cognitive/BingImageSearch.scala	90.99% <100.00%> (ø)
...microsoft/ml/spark/cognitive/SpeechToTextSDK.scala	89.84% <0.00%> (-0.79%)	⬇️

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