Bump org.eclipse.jgit:org.eclipse.jgit

Bumps org.eclipse.jgit:org.eclipse.jgit from 6.8.0.202311291450-r to 6.9.0.202403050737-r.

---
updated-dependencies:
- dependency-name: org.eclipse.jgit:org.eclipse.jgit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle.kts

@@ -78,7 +78,7 @@ tasks.getByName<JavaExec>("run") {
 
 dependencies {
     implementation("org.bouncycastle:bcpkix-jdk15on:1.70")
-    implementation("org.eclipse.jgit:org.eclipse.jgit:6.8.0.202311291450-r")
+    implementation("org.eclipse.jgit:org.eclipse.jgit:6.9.0.202403050737-r")
     implementation("org.tmatesoft.svnkit:svnkit:1.10.11")
     implementation("org.yaml:snakeyaml:2.2")
     implementation("com.beust:jcommander:1.82")