fix: update dotnetTestBase assembly version

[serena-ruan]

… not interrupt each other

Related Issues/PRs

None

What changes are proposed in this pull request?

Update dotnetTestBase assembly to keep updated with current version. Because it internally changes for each build by updating synapseml package version, and if you run two pipeline at the same time they interrupt each other.

How is this patch tested?

• I have written tests (not required for typo or doc fix) and confirmed the proposed feature/bug-fix/change works.

Does this PR change any dependencies?

• No. You can skip this section.
• Yes. Make sure the dependencies are resolved correctly, and list changes here.

Does this PR add a new feature? If so, have you added samples on website?

• No. You can skip this section.
• Yes. Make sure you have added samples following below steps.

1. Find the corresponding markdown file for your new feature in website/docs/documentation folder.
   Make sure you choose the correct class estimators/transformers and namespace.
2. Follow the pattern in markdown file and add another section for your new API, including pyspark, scala (and .NET potentially) samples.
3. Make sure the DocTable points to correct API link.
4. Navigate to website folder, and run yarn run start to make sure the website renders correctly.
5. Don't forget to add <!--pytest-codeblocks:cont--> before each python code blocks to enable auto-tests for python samples.
6. Make sure the WebsiteSamplesTests job pass in the pipeline.

AB#1915009

[serena-ruan]

/azp run

[github-actions]

Hey @serena-ruan 👋!
Thank you so much for contributing to our repository 🙌.
Someone from SynapseML Team will be reviewing this pull request soon.
We appreciate your patience and contributions 💯!

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov-commenter]

Codecov Report

Merging #1601 (7bf3d87) into master (05a4202) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1601      +/-   ##
==========================================
- Coverage   83.66%   83.64%   -0.02%     
==========================================
  Files         305      295      -10     
  Lines       15797    15541     -256     
  Branches      752      752              
==========================================
- Hits        13217    13000     -217     
+ Misses       2580     2541      -39     

Impacted Files	Coverage Δ
...soft/azure/synapse/ml/cntk/CNTKFunctionParam.scala	30.76% <0.00%> (-15.39%)	⬇️
...crosoft/azure/synapse/ml/io/http/HTTPClients.scala	67.64% <0.00%> (-14.71%)	⬇️
...rosoft/azure/synapse/ml/param/DataFrameParam.scala	64.28% <0.00%> (-14.29%)	⬇️
.../azure/synapse/ml/param/PythonWrappableParam.scala	66.66% <0.00%> (-8.34%)	⬇️
...ft/azure/synapse/ml/param/JsonEncodableParam.scala	57.14% <0.00%> (-7.15%)	⬇️
...re/src/main/python/synapse/ml/core/schema/Utils.py	67.10% <0.00%> (-5.27%)	⬇️
...soft/azure/synapse/ml/cognitive/TextToSpeech.scala	84.84% <0.00%> (-3.04%)	⬇️
...oft/azure/synapse/ml/cognitive/TextAnalytics.scala	86.25% <0.00%> (-2.68%)	⬇️
.../azure/synapse/ml/downloader/ModelDownloader.scala	85.18% <0.00%> (-2.47%)	⬇️
.../azure/synapse/ml/cognitive/TextAnalyticsSDK.scala	86.01% <0.00%> (-1.40%)	⬇️
... and 14 more

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[serena-ruan]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[serena-ruan]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[serena-ruan]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).