Update dependency coveralls to v3.1.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
coveralls	3.1.0 → 3.1.1

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Release Notes

nickmerwin/node-coveralls (coveralls)

v3.1.1: Maintenance / Security updates

Compare Source

• swapped exec for execFile. Credit: Adar Zandberg from the CxSCA AppSec team at Checkmarx.
• updated devDependencies
• merged Dependabot PRs

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Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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File name: package-lock.json