chore(deps): pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@types/node	devDependencies	pin	^12.12.6 -> 12.12.6
tslib (source)	devDependencies	pin	^1.10.0 -> 1.10.0
typescript (source)	devDependencies	pin	^3.7.2 -> 3.7.2

📌 Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

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[codecov]

Codecov Report

Merging #217 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #217   +/-   ##
======================================
  Coverage    64.7%   64.7%           
======================================
  Files           2       2           
  Lines          34      34           
  Branches        6       5    -1     
======================================
  Hits           22      22           
  Misses         12      12