build(deps): bump ch.acanda.gradle.fabrikt from 1.15.3 to 1.15.4

Bumps ch.acanda.gradle.fabrikt from 1.15.3 to 1.15.4.

---
updated-dependencies:
- dependency-name: ch.acanda.gradle.fabrikt
  dependency-version: 1.15.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -15,5 +15,5 @@ gitVersion = { id = "com.palantir.git-version", version = "3.2.0" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 openapi-generator = {id = "org.openapi.generator", version = "7.13.0"}
-fabrikt = { id = "ch.acanda.gradle.fabrikt", version = "1.15.3" }
+fabrikt = { id = "ch.acanda.gradle.fabrikt", version = "1.15.4" }
 node = {id = "com.github.node-gradle.node", version = "7.1.0"}