Bump com.squareup:kotlinpoet from 1.14.2 to 2.3.0 in /buildSrc (#833)

Bumps [com.squareup:kotlinpoet](https://github.com/square/kotlinpoet) from 1.14.2 to 2.3.0.
- [Release notes](https://github.com/square/kotlinpoet/releases)
- [Changelog](https://github.com/square/kotlinpoet/blob/main/docs/changelog.md)
- [Commits](https://github.com/square/kotlinpoet/compare/1.14.2...2.3.0)

---
updated-dependencies:
- dependency-name: com.squareup:kotlinpoet
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

buildSrc/build.gradle.kts

@@ -10,5 +10,5 @@ repositories {
 dependencies {
     implementation("org.yaml:snakeyaml:1.24")
     implementation("dshackle:foundation:1.0.0")
-    implementation("com.squareup:kotlinpoet:1.14.2")
+    implementation("com.squareup:kotlinpoet:2.3.0")
 }