chore(deps): bump org.ajoberstar.reckon from 0.13.1 to 0.18.1

Bumps [org.ajoberstar.reckon](https://github.com/ajoberstar/reckon) from 0.13.1 to 0.18.1.
- [Release notes](https://github.com/ajoberstar/reckon/releases)
- [Commits](ajoberstar/reckon@0.13.1...0.18.1)

---
updated-dependencies:
- dependency-name: org.ajoberstar.reckon
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -13,7 +13,7 @@ buildscript {
         spotbugsPluginVersion="4.6.0"
         sonarqubePluginVersion="4.4.1.3373"
 
-        reckonVersion="0.13.1"
+        reckonVersion="0.18.1"
         // workaround for reckon issue with Java 8
         grgitVersion="5.2.1"