Bump com.formdev:flatlaf from 3.3 to 3.4.1

Bumps [com.formdev:flatlaf](https://github.com/JFormDesigner/FlatLaf) from 3.3 to 3.4.1.
- [Release notes](https://github.com/JFormDesigner/FlatLaf/releases)
- [Changelog](https://github.com/JFormDesigner/FlatLaf/blob/main/CHANGELOG.md)
- [Commits](JFormDesigner/FlatLaf@3.3...3.4.1)

---
updated-dependencies:
- dependency-name: com.formdev:flatlaf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle.kts

@@ -63,7 +63,7 @@ dependencies {
     implementation("org.apache.logging.log4j:log4j-api:2.20.0")
     implementation("org.apache.logging.log4j:log4j-1.2-api:2.20.0")
 
-    implementation("com.formdev:flatlaf:3.3")
+    implementation("com.formdev:flatlaf:3.4.1")
 
     // SciJava dependencies