chore(deps): update dependency @sourcegraph/tsconfig to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@sourcegraph/tsconfig	devDependencies	major	^4.0.1	source

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Release Notes

sourcegraph/tsconfig

v4.0.1

Compare Source

v4.0.0

Compare Source

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