Bump se.bjurr.gitchangelog:git-changelog-lib from 2.1.0 to 2.6.0

Bumps [se.bjurr.gitchangelog:git-changelog-lib](https://github.com/tomasbjerre/git-changelog-lib) from 2.1.0 to 2.6.0.
- [Release notes](https://github.com/tomasbjerre/git-changelog-lib/releases)
- [Changelog](https://github.com/tomasbjerre/git-changelog-lib/blob/master/CHANGELOG.md)
- [Commits](tomasbjerre/git-changelog-lib@2.1.0...2.6.0)

---
updated-dependencies:
- dependency-name: se.bjurr.gitchangelog:git-changelog-lib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -31,7 +31,7 @@ dependencies {
     implementation("se.bjurr.gitchangelog:git-changelog-gradle-plugin:2.1.0") {
         isTransitive = false
     }
-    implementation("se.bjurr.gitchangelog:git-changelog-lib:2.1.0") {
+    implementation("se.bjurr.gitchangelog:git-changelog-lib:2.6.0") {
         exclude("org.gitlab", "java-gitlab-api")
         exclude("org.ow2.asm", "asm")
     }