Allow use of C# 10

[atifaziz]

This PR allows use of C# 10 across the project.

[codecov]

Codecov Report

Merging #853 (bb344f0) into master (f0dab59) will not change coverage.
The diff coverage is n/a.

❗ Current head bb344f0 differs from pull request most recent head 1e535b2. Consider uploading reports for the commit 1e535b2 to get more accurate results

@@           Coverage Diff           @@
##           master     #853   +/-   ##
=======================================
  Coverage   92.05%   92.05%           
=======================================
  Files         108      108           
  Lines        3472     3472           
  Branches     1032     1032           
=======================================
  Hits         3196     3196           
  Misses        213      213           
  Partials       63       63           

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