[Automation] Bump product version numbers

[elastic-observability-automation]

Bump release versions in the config/versions.yml

Update config/versions.yml apm-agent-java 1.55.6

change detected: * key "$.versioning_systems.apm-agent-java.current" updated from "1.55.5" to "1.55.6", in file "config/versions.yml"

v1.55.6

[Release Notes for 1.55.6](https://www.elastic.co/docs/release-notes/apm/agents/java#elastic-apm-java-agent-1-55-6-release-notes)
  ### ARNs of the APM Java Agent AWS Lambda Layer

|Region|ARN|
|------|---|
|af-south-1|arn:aws:lambda:af-south-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-east-1|arn:aws:lambda:ap-east-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-northeast-1|arn:aws:lambda:ap-northeast-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-northeast-2|arn:aws:lambda:ap-northeast-2:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-northeast-3|arn:aws:lambda:ap-northeast-3:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-south-1|arn:aws:lambda:ap-south-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-southeast-1|arn:aws:lambda:ap-southeast-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-southeast-2|arn:aws:lambda:ap-southeast-2:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ap-southeast-3|arn:aws:lambda:ap-southeast-3:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|ca-central-1|arn:aws:lambda:ca-central-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|eu-central-1|arn:aws:lambda:eu-central-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|eu-north-1|arn:aws:lambda:eu-north-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|eu-south-1|arn:aws:lambda:eu-south-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|eu-west-1|arn:aws:lambda:eu-west-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|eu-west-2|arn:aws:lambda:eu-west-2:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|eu-west-3|arn:aws:lambda:eu-west-3:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|il-central-1|arn:aws:lambda:il-central-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|sa-east-1|arn:aws:lambda:sa-east-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|us-east-1|arn:aws:lambda:us-east-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|us-east-2|arn:aws:lambda:us-east-2:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|us-west-1|arn:aws:lambda:us-west-1:267093732750:layer:elastic-apm-java-ver-1-55-6:1|
|us-west-2|arn:aws:lambda:us-west-2:267093732750:layer:elastic-apm-java-ver-1-55-6:1|

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• config/versions.yml

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📝 Walkthrough

Walkthrough

This PR updates the APM Agent Java version mapping in the configuration file, bumping the current version from 1.55.5 to 1.55.6. The change is isolated to a single line in config/versions.yml, with no modifications to other version entries or the base version reference. This is a straightforward version configuration update.

Possibly related PRs

• [Automation] Bump product version numbers #3067: Modifies the same configuration key versioning_systems.apm-agent-java.current, indicating sequential version updates to the same dependency.

Suggested labels

dependencies

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately reflects the main change: updating the apm-agent-java version from 1.55.5 to 1.55.6 in config/versions.yml.
Description check	✅ Passed	The description is directly related to the changeset, detailing the version bump with release notes and AWS Lambda Layer ARNs for the new version.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch updatecli_main_bfbda0570cfbf1ebee5ba4801497a4b00fe1289653863b5c09f26db4b8c67c6e

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