Bump slf4j-api from 2.0.3 to 2.0.4

Bumps [slf4j-api](https://github.com/qos-ch/slf4j) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_2.0.3...v_2.0.4)

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

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

Author: dependabot[bot]

converter/build.gradle.kts

@@ -17,7 +17,7 @@ repositories {
 dependencies {
     testImplementation(kotlin("test"))
     implementation("org.jsoup:jsoup:1.15.3")
-    implementation("org.slf4j:slf4j-api:2.0.3") {
+    implementation("org.slf4j:slf4j-api:2.0.4") {
         because("ph-css")
     }
     implementation("com.helger:ph-css:6.5.0")