Bump io.freefair.settings.plugin-versions from 8.2.2 to 8.4

Bumps [io.freefair.settings.plugin-versions](https://github.com/freefair/gradle-plugins) from 8.2.2 to 8.4.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.2.2...8.4)

---
updated-dependencies:
- dependency-name: io.freefair.settings.plugin-versions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

settings.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id "io.freefair.settings.plugin-versions" version "8.2.2"
+    id "io.freefair.settings.plugin-versions" version "8.4"
     id "com.gradle.enterprise" version "3.16.1"
 }