Bump kotlinx-coroutines-core from 1.6.3 to 1.6.4

Bumps [kotlinx-coroutines-core](https://github.com/Kotlin/kotlinx.coroutines) from 1.6.3 to 1.6.4.
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.6.3...1.6.4)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-coroutines-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle.kts

@@ -88,7 +88,7 @@ val dependencyVersions = listOf(
   "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.10",
   "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.0",
   "org.jetbrains.kotlin:kotlin-test:1.7.0",
-  "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.3",
+  "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4",
   "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.6.3",
   "org.jetbrains.kotlinx:kotlinx-coroutines-debug:1.6.3",
   "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.6.3",