Pin dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@types/chai	devDependencies	pin	^4.2.12 -> 4.2.12
@types/mocha	devDependencies	pin	^8.0.3 -> 8.0.3
chai (source)	devDependencies	pin	^4.2.0 -> 4.2.0
coveralls	devDependencies	pin	^3.1.0 -> 3.1.0
mocha (source)	devDependencies	pin	^8.1.3 -> 8.1.3
mocha-lcov-reporter	devDependencies	pin	^1.3.0 -> 1.3.0
nyc (source)	devDependencies	pin	^15.1.0 -> 15.1.0
shx	devDependencies	pin	^0.3.2 -> 0.3.2
tslint (source)	devDependencies	pin	^6.1.3 -> 6.1.3
typescript (source)	devDependencies	pin	^4.0.3 -> 4.0.3

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

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