build(deps): bump org.jetbrains.kotlinx:kotlinx-coroutines-core

Bumps [org.jetbrains.kotlinx:kotlinx-coroutines-core](https://github.com/Kotlin/kotlinx.coroutines) from 1.7.3 to 1.8.1.
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.7.3...1.8.1)

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

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

Author: dependabot[bot]

build.gradle.kts

@@ -12,7 +12,7 @@ repositories {
 dependencies {
     implementation("net.dv8tion:JDA:5.0.0-beta.22")
     implementation("org.jetbrains.kotlin:kotlin-stdlib:1.9.22")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.1")
     testImplementation(kotlin("test"))
 }