feat: remove Plugin Certification Program from Extensions

[its-mitesh-kumar]

Description

• Remove the CERTIFIED_BY annotation from ExtensionsAnnotation enum
• Remove certification badge rendering from Badges.tsx
• Remove certified filter logic from useFilteredPlugins, useFilteredSupportTypes, and useFilteredPluginFacet hooks
• Remove certified handling from ExtensionsPluginFilter UI
• Remove certified color constant
• Remove certification-related translation keys from all 6 locales (en, de, es, fr, it, ja)
• Remove certified-by column from CLI CSV export
• Remove certified badge e2e test and page object references
• Remove extensions.backstage.io/certified-by annotation from example YAML files
• Remove Certification section from plugin catalog docs and CLI docs
• Remove certified-by facet from Bruno API file
• Update API reports (report.api.md, report-alpha.api.md)

Fixed

• Jira : https://redhat.atlassian.net/browse/RHIDP-14170

UI before changes

Screen.Recording.2026-05-28.at.2.36.09.PM.mov

UI after changes

Screen.Recording.2026-05-28.at.4.30.13.PM.mov

Test plan

• Extensions Catalog loads without errors
• Support type filter dropdown no longer shows "Certified" option
• Plugins previously marked as certified still appear in the catalog
• GA, Custom, Tech Preview, Dev Preview, and Community badges still render correctly
• CLI export-csv command runs without the certified-by column
• E2E tests pass with the certified test removed

✔️ 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/extensions-cli	workspaces/extensions/packages/cli	minor	v0.17.1
@red-hat-developer-hub/backstage-plugin-extensions-common	workspaces/extensions/plugins/extensions-common	minor	v0.17.1
@red-hat-developer-hub/backstage-plugin-extensions	workspaces/extensions/plugins/extensions	minor	v0.17.1

[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

[codecov]

Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.99%. Comparing base (86e89d3) to head (1dcee55).
⚠️ Report is 71 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3247      +/-   ##
==========================================
+ Coverage   60.97%   60.99%   +0.02%     
==========================================
  Files        2097     2097              
  Lines       65147    65119      -28     
  Branches    17022    17002      -20     
==========================================
- Hits        39723    39722       -1     
+ Misses      24844    24817      -27     
  Partials      580      580              

Flag	Coverage Δ		*Carryforward flag
adoption-insights	83.58% <ø> (ø)		Carriedforward from 86e89d3
ai-integrations	70.03% <ø> (ø)		Carriedforward from 86e89d3
app-defaults	69.60% <ø> (ø)		Carriedforward from 86e89d3
augment	69.36% <ø> (ø)		Carriedforward from 86e89d3
bulk-import	72.86% <ø> (ø)		Carriedforward from 86e89d3
cost-management	16.49% <ø> (ø)		Carriedforward from 86e89d3
dcm	32.85% <ø> (ø)		Carriedforward from 86e89d3
extensions	62.24% <0.00%> (+0.44%)	⬆️
global-floating-action-button	74.30% <ø> (ø)		Carriedforward from 86e89d3
global-header	61.68% <ø> (ø)		Carriedforward from 86e89d3
homepage	50.95% <ø> (ø)		Carriedforward from 86e89d3
konflux	91.01% <ø> (ø)		Carriedforward from 86e89d3
lightspeed	68.34% <ø> (ø)		Carriedforward from 86e89d3
mcp-integrations	81.59% <ø> (ø)		Carriedforward from 86e89d3
orchestrator	36.36% <ø> (ø)		Carriedforward from 86e89d3
quickstart	62.64% <ø> (ø)		Carriedforward from 86e89d3
sandbox	79.56% <ø> (ø)		Carriedforward from 86e89d3
scorecard	83.58% <ø> (ø)		Carriedforward from 86e89d3
theme	64.54% <ø> (ø)		Carriedforward from 86e89d3
translations	8.49% <ø> (ø)		Carriedforward from 86e89d3
x2a	78.28% <ø> (ø)		Carriedforward from 86e89d3

*This pull request uses carry forward flags. Click here to find out more.

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[HusneShabbir]

Please review the E2E changes made here and provide your approval accordingly. @sanketpathak

[sanketpathak]

E2E tests look fine, and the UI is working as expected, but I've got one question. When certified badge is being removed, do we need test plugin entities for the certified plugin @its-mitesh-kumar

[sanketpathak]

As these are just example cards, everything looks good to me

/lgtm

[its-mitesh-kumar]

/cc @ciiay