Bump org.slf4j:slf4j-api from 2.0.13 to 2.0.16 (#372)

Bumps org.slf4j:slf4j-api from 2.0.13 to 2.0.16.

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

engine/build.gradle.kts

@@ -69,7 +69,7 @@ dependencies {
 
   implementation("com.squareup.moshi:moshi:1.15.1")
 
-  implementation("org.slf4j:slf4j-api:2.0.13")
+  implementation("org.slf4j:slf4j-api:2.0.16")
   testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
 
   implementation("com.squareup.okio:okio:3.9.0")

integrationtest/build.gradle.kts

@@ -58,7 +58,7 @@ dependencies {
   implementation(project(":engine"))
   testImplementation("com.squareup.okhttp3:okhttp:4.12.0")
 
-  testImplementation("org.slf4j:slf4j-api:2.0.13")
+  testImplementation("org.slf4j:slf4j-api:2.0.16")
   testRuntimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
 
   testImplementation("org.spockframework:spock-core:2.3-groovy-4.0")