Bump kafkaVersion from 7.8.0-ce to 7.8.1-ce

Bumps `kafkaVersion` from 7.8.0-ce to 7.8.1-ce.

Updates `org.apache.kafka:kafka-clients` from 7.8.0-ce to 7.8.1-ce

Updates `org.apache.kafka:kafka-streams` from 7.8.0-ce to 7.8.1-ce

---
updated-dependencies:
- dependency-name: org.apache.kafka:kafka-clients
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.kafka:kafka-streams
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -26,7 +26,7 @@ dependencies {
     implementation("com.github.navikt:dagpenger-events:20231220.3050bf")
     implementation(libs.bundles.jackson)
 
-    val kafkaVersion = "7.8.0-ce"
+    val kafkaVersion = "7.8.1-ce"
     implementation("org.apache.kafka:kafka-clients:$kafkaVersion")
     implementation("org.apache.kafka:kafka-streams:$kafkaVersion")