chore(deps): update dependency c8 to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
c8	devDependencies	major	^5.0.4 -> ^6.0.0

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Release Notes

bcoe/c8

v6.0.0

Compare Source

⚠ BREAKING CHANGES

• Node.js' source-map and lineLength cache is now used to remap coverage output (this allows tools like ts-node to be supported, which transpile at runtime).

Features

• use Node.js' source-map cache, to support tools like ts-node (#​152) (53bba15)

Bug Fixes

• deps: update dependency yargs-parser to v15 (#​153) (80153de)

5.0.4 (2019-09-06)

Bug Fixes

• deps: merging failed when the same script occurred multiple times in the same report (#​147) (1ebcaf9)
• don't load JSON that does not look like coverage (#​146) (a6481f1)
• deps: update dependency yargs-parser to v14 (#​144) (9b3d089)

5.0.3 (2019-09-06)

Bug Fixes

• deps: update dependency rimraf to v3 (#​132) (7601748)
• deps: update dependency yargs to v14 (#​134) (e49737f)
• deps: update deps to address warning in cross-spawn (#​141) (4b66221)

5.0.2 (2019-06-24)

Bug Fixes

• HTML report now has correct source positions for Node >10.16.0 (#​125) (c49fa7f)
• deps: update dependency find-up to v4 (#​119) (c568d96)
• deps: update dependency yargs-parser to v13 (#​124) (1eb3394)
• do not override NODE_V8_COVERAGE if set (#​70) (8bb67b0)

5.0.1 (2019-05-20)

Bug Fixes

• temporary files should be in tmp folder (#​106) (64dd2e6)

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[coveralls]

Pull Request Test Coverage Report for Build 339

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 95.701%

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Totals
Change from base Build 337:	0.0%
Covered Lines:	516
Relevant Lines:	532

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💛 - Coveralls