fix(extensions): update package disabled status endpoint

[dzemanov]

Hey, I just made a Pull Request!

Updates the package disable endpoint to a PATCH. Existing packages in the configuration can be disabled without requiring the full configuration replacement.

Fixes

Fixes https://issues.redhat.com/browse/RHDHBUGS-2094

How to test

1. Enable package not already in config

curl -X PATCH "http://localhost:7007/api/extensions/package/marketplace-plugin-demo/red-hat-developer-hub-backstage-plugin-bulk-import/configuration/disable" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $token" \
-d '{
    "disabled": false
}'

2. Disable the same package, already in config

curl -X PATCH "http://localhost:7007/api/extensions/package/marketplace-plugin-demo/red-hat-developer-hub-backstage-plugin-bulk-import/configuration/disable" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $token" \
-d '{
    "disabled": true
}'

✔️ Checklist

• A changeset describing the change and affected packages. (more info)
• Added or Updated documentation
• Tests for new functionality and regression tests for bug fixes
• Screenshots attached (for UI changes)

[rhdh-gh-app]

Important

This PR includes changes that affect public-facing API. Please ensure you are adding/updating documentation for new features or behavior.

Changed Packages

Package Name	Package Path	Changeset Bump	Current Version
@red-hat-developer-hub/backstage-plugin-marketplace-backend	workspaces/marketplace/plugins/marketplace-backend	minor	v0.10.0

[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

[debsmita1]

verified the changes against the UI PR #1558

/lgtm

Thank you @dzemanov !