Bump com.dlsc.gemsfx:gemsfx from 2.8.0 to 2.9.0

Bumps [com.dlsc.gemsfx:gemsfx](https://github.com/dlsc-software-consulting-gmbh/GemsFX) from 2.8.0 to 2.9.0.
- [Release notes](https://github.com/dlsc-software-consulting-gmbh/GemsFX/releases)
- [Changelog](https://github.com/dlsc-software-consulting-gmbh/GemsFX/blob/master/CHANGELOG.md)
- [Commits](dlsc-software-consulting-gmbh/GemsFX@v2.8.0...v2.9.0)

---
updated-dependencies:
- dependency-name: com.dlsc.gemsfx:gemsfx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle

@@ -218,7 +218,7 @@ dependencies {
     }
     implementation 'org.fxmisc.flowless:flowless:0.7.2'
     implementation 'org.fxmisc.richtext:richtextfx:0.11.2'
-    implementation (group: 'com.dlsc.gemsfx', name: 'gemsfx', version: '2.8.0') {
+    implementation (group: 'com.dlsc.gemsfx', name: 'gemsfx', version: '2.9.0') {
         exclude module: 'javax.inject' // Split package, use only jakarta.inject
         exclude module: 'commons-lang3'
         exclude group: 'org.openjfx'