chore: Release 0.6.1

[gagbo]

Description

Please include a summary of the change and which issue is fixed. Please also
include relevant motivation and context.

Fixes issue #

Checklist

• The CHANGELOG is updated.
• The open-telemetry example in repository works fine:
  • the docker compose file is valid
  • the application compiles and run
  • alerts are getting triggered in Prometheus
• The prometheus example in repository works fine:
  • the docker compose file is valid
  • the application compiles and run
  • alerts are getting triggered in Prometheus
  • exemplars are accessible on the graph