Bump kotlin from 2.2.21 to 2.3.0 in /examples/demo-compose-app

Bumps `kotlin` from 2.2.21 to 2.3.0.

Updates `org.jetbrains.kotlin.plugin.compose` from 2.2.21 to 2.3.0

Updates `org.jetbrains.kotlin.android` from 2.2.21 to 2.3.0

Updates `org.jetbrains.kotlin.jvm` from 2.2.21 to 2.3.0

Updates `org.jetbrains.kotlin.multiplatform` from 2.2.21 to 2.3.0

Updates `org.jetbrains.kotlin.plugin.serialization` from 2.2.21 to 2.3.0

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.plugin.compose
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin.android
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin.multiplatform
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

examples/demo-compose-app/gradle/libs.versions.toml

@@ -9,7 +9,7 @@ jetbrains-lifecycle = "2.9.6"
 jetbrains-navigation = "2.9.1"
 koin-bom = "4.1.1"
 koog = "0.6.0"
-kotlin = "2.2.21"
+kotlin = "2.3.0"
 kotlinx-coroutines = "1.10.2"
 kotlinx-datetime = "0.7.1-0.6.x-compat"
 kotlinx-serialization = "1.9.0"