build(deps): bump org.jetbrains.dokka from 1.9.10 to 1.9.20

Bumps org.jetbrains.dokka from 1.9.10 to 1.9.20.

---
updated-dependencies:
- dependency-name: org.jetbrains.dokka
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "12.1.0" }
 spotless = { id = "com.diffplug.spotless", version = "6.25.0" }
 tasktree = { id = "com.dorongold.task-tree", version = "2.1.1" }
 modelix-mps-buildtools = { id = "org.modelix.mps.build-tools", version.ref = "modelixBuildtools" }
-dokka = {id = "org.jetbrains.dokka", version = "1.9.10"}
+dokka = {id = "org.jetbrains.dokka", version = "1.9.20"}
 node = {id = "com.github.node-gradle.node", version = "7.0.2"}
 detekt = { id = "io.gitlab.arturbosch.detekt", version = "1.23.5" }
 npm-publish = { id = "dev.petuska.npm.publish", version = "3.4.2" }
@@ -109,7 +109,7 @@ apache-cxf-sse = { group = "org.apache.cxf", name = "cxf-rt-rs-sse", version.ref
 apache-cxf-client = { group = "org.apache.cxf", name = "cxf-rt-rs-client", version.ref = "apacheCxf" }
 
 semver = { group = "org.semver", name = "api", version = "0.9.33"}
-dokka-versioning = { group = "org.jetbrains.dokka", name = "versioning-plugin", version = "1.9.10"}
+dokka-versioning = { group = "org.jetbrains.dokka", name = "versioning-plugin", version = "1.9.20"}
 
 modelix-buildtools-gradle = { group = "org.modelix.mps", name = "build-tools-gradle", version.ref = "modelixBuildtools"}
 modelix-buildtools-lib = { group = "org.modelix.mps", name = "build-tools-lib", version.ref = "modelixBuildtools"}