FEAT: vBump mssql-py-core to 0.1.2 (#509)

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### Summary   
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This pull request updates the version of the `mssql-py-core` dependency
from `0.1.1` to `0.1.2` in the `eng/versions/mssql-py-core.version`
file.

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Author: bewithgaurav

eng/versions/mssql-py-core.version

@@ -1 +1 @@
-0.1.1
+0.1.2