chore(deps): update dependency is-ci to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
is-ci	3.0.1 -> 4.1.0

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Release Notes

watson/is-ci (is-ci)

v4.1.0

Compare Source

• add types (116335d)

v4.0.0

Compare Source

• update to ci-info v4 (658c179)

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