fix(deps): update ktor monorepo to v2.3.12

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.ktor:ktor-client-mock	2.3.11 -> 2.3.12
io.ktor:ktor-client-js	2.3.11 -> 2.3.12
io.ktor:ktor-client-darwin	2.3.11 -> 2.3.12
io.ktor:ktor-client-core	2.3.11 -> 2.3.12

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