Removed unused npm dependencies and Fixed moderate and high severity vulnerabilities

[gbhasha]

2 vulnerabilities required manual review and could not be updated. 3 package updates for 66 vulns involved breaking changes, hence not updated packages which has breaking changes.

This PR aims to fix the issue https://github.com/40818419/react-code-input/issues/93

And also fixes the moderate and high severity vulnerabilities mentioned in https://github.com/40818419/react-code-input/issues/94

[codecov[bot]]

Codecov Report

Merging #95 into master will not change coverage by %. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #95   +/-   ##
=======================================
  Coverage   96.47%   96.47%           
=======================================
  Files           2        2           
  Lines         142      142           
  Branches       39       39           
=======================================
  Hits          137      137           
  Misses          5        5           

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