Bump com.squareup:kotlinpoet from 1.15.1 to 1.15.3

Bumps [com.squareup:kotlinpoet](https://github.com/square/kotlinpoet) from 1.15.1 to 1.15.3.
- [Release notes](https://github.com/square/kotlinpoet/releases)
- [Changelog](https://github.com/square/kotlinpoet/blob/main/docs/changelog.md)
- [Commits](square/kotlinpoet@1.15.1...1.15.3)

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

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

build.gradle.kts

@@ -112,7 +112,7 @@ dependencies {
   ksp("dev.zacsweers.autoservice:auto-service-ksp:1.1.0")
   implementation("com.squareup.moshi:moshi:$moshiVersion")
   implementation("com.google.auto.service:auto-service:1.1.1")
-  implementation("com.squareup:kotlinpoet:1.15.1")
+  implementation("com.squareup:kotlinpoet:1.15.3")
   implementation("com.squareup.okio:okio:3.6.0")
   implementation("com.google.auto.value:auto-value:1.10.4")
   implementation("com.google.auto.value:auto-value-annotations:1.10.4")