azure build pipeline hotfix

[xuwq1993]

Hi, the current 'master' branch can't upload 'whl' file to blob storage, the code missed 'mmlspark-'

[welcome]

💖 Thanks for opening your first pull request! 💖 We use semantic commit messages to streamline the release process. Before your pull request can be merged, you should make sure your first commit and PR title start with a semantic prefix. This helps us to create release messages and credit you for your hard work!
Examples of commit messages with semantic prefixes:

• fix: Fix LightGBM crashes with empty partitions
• feat: Make HTTP on Spark back-offs configurable
• docs: Update Spark Serving usage
• build: Add codecov support
• perf: improve LightGBM memory usage
• refactor: make python code generation rely on classes
• style: Remove nulls from CNTKModel
• test: Add test coverage for CNTKModel

Make sure to check out the developer guide for guidance on testing your change.

[mhamilton723]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #1000 (7f9c4a0) into master (96f6644) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1000      +/-   ##
==========================================
- Coverage   84.98%   84.96%   -0.03%     
==========================================
  Files         196      196              
  Lines        9116     9116              
  Branches      577      577              
==========================================
- Hits         7747     7745       -2     
- Misses       1369     1371       +2     

Impacted Files	Coverage Δ
...a/com/microsoft/ml/spark/io/http/HTTPClients.scala	73.33% <0.00%> (-3.34%)	⬇️

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[welcome]

Congrats on merging your first pull request, we appreciate your support! 🎉🎉🎉

[xuwq1993]

/azp run