[TEST] Bump test2

[OpinionatedHeron]

Description of the change

Which issue(s) does this PR fix or relate to

• JIRA_issue_link

How to test changes / Special notes to the reviewer

Checklist

• For each Chart updated, version bumped in the corresponding Chart.yaml according to Semantic Versioning.
• For each Chart updated, variables are documented in the values.yaml and added to the corresponding README.md. The pre-commit utility can be used to generate the necessary content. Use pre-commit run -a to apply changes. The pre-commit Workflow will do this automatically for you if needed.
• JSON Schema template updated and re-generated the raw schema via the pre-commit hook.
• Tests pass using the Chart Testing tool and the ct lint command.
• If you updated the orchestrator-infra chart, make sure the versions of the Knative CRDs are aligned with the versions of the CRDs installed by the OpenShift Serverless operators declared in the values.yaml file. See Installing Knative Eventing and Knative Serving CRDs for more details.

Summary by Sourcery

Bump the Backstage Helm chart version and update related documentation.

Chores:

• Bump charts/backstage Chart.yaml version to 4.5.3
• Update README badge to reflect the new 4.5.3 version
• Add test comments to charts/backstage and charts/orchestrator-infra Chart.yaml files

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR updates the Backstage Helm chart by bumping its version to 4.5.3 and adjusting the corresponding README badge, and adds placeholder test comments in chart definition files.

File-Level Changes

Change	Details	Files
Bump Backstage chart version and badge	Updated version from 4.5.2 to 4.5.3 Refreshed README badge to version 4.5.3	charts/backstage/Chart.yaml charts/backstage/README.md
Insert test annotations in chart metadata	Added temporary test comments in Backstage Chart.yaml Added test comment lines in orchestrator-infra Chart.yaml	charts/backstage/Chart.yaml charts/orchestrator-infra/Chart.yaml

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sourcery-ai]

Hey @OpinionatedHeron - I've reviewed your changes and they look great!

Prompt for AI Agents

Please address the comments from this code review:
## Individual Comments

### Comment 1
<location> `charts/orchestrator-infra/Chart.yaml:19` </location>
<code_context>
   - https://github.com/redhat-developer/rhdh-chart
 version: 0.2.0
+
+# test changes
</code_context>

<issue_to_address>
Remove test-related comments from production chart files.

If the comment is not essential, please remove it before merging to avoid confusion.
</issue_to_address>

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[sourcery-ai]

suggestion: Remove test-related comments from production chart files.

If the comment is not essential, please remove it before merging to avoid confusion.