updates to data type casting to resolve try cast errors

[thutuva]

Describe your changes

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TRY_CAST() was failing because it does not work on a timestamp data type. Converted the column to date before the try cast to resolve error.

How has this been tested?

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local testing and CI pipeline

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• I have updated the version number in dbt_project.yml file to reflect the release number of this PR
• I have updated the docs files (by running dbt docs generate/serve and copying the necessary files into the docs folder)
• I have commented my code as necessary
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• My code follows style guidelines
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