[Automation] Bump product version numbers (#2155)

* chore: Update config/versions.yml eck 3.1.0

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* chore: Update config/versions.yml eck 3.2.0

Made with ❤️️ by updatecli

* chore: Update config/versions.yml edot-node 1.6.0

Made with ❤️️ by updatecli

---------

Co-authored-by: elastic-observability-automation[bot] <180520183+elastic-observability-automation[bot]@users.noreply.github.com>

Author: elastic-observability-automation[bot]

config/versions.yml

@@ -88,7 +88,7 @@ versioning_systems:
     current: 1.6.0
   edot-node:
     base: 1.0
-    current: 1.5.0
+    current: 1.6.0
   edot-php:
     base: 1.0
     current: 1.1.1