Update Newtonsoft.Json to 12.0.2, 13.0.1 · githubabcs-devops/gh-advsec-devsecops@e2c277c

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

Converting null literal or possible null value to non-nullable type.

Possible null reference assignment.

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