feat: register adoption insights translation resources in dynamic plugins config

[lokanandaprabhu]

Which issue(s) does this PR fix

• Fixes https://redhat.atlassian.net/browse/RHDHBUGS-3244

Summary

Registers translation resources for the Adoption Insights dynamic plugin in app-config.dynamic-plugins.yaml, enabling i18n support when the plugin is loaded as a dynamic plugin.
Adds the translationResources entry for red-hat-developer-hub.backstage-plugin-adoption-insights:

• importName: adoptionInsightsTranslations
• ref: adoptionInsightsTranslationRef
  This follows the same pattern used by other RHDH dynamic plugins (e.g. Extensions, Dynamic Home Page).

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[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

[github-actions]

Image was built and published successfully. It is available at:

• quay.io/rhdh-community/rhdh:pr-4950
• quay.io/rhdh-community/rhdh:pr-4950-83769e69

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 55.82%. Comparing base (0125ff6) to head (c8b99f5).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4950   +/-   ##
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  Coverage   55.82%   55.82%           
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  Files         121      121           
  Lines        2350     2350           
  Branches      539      539           
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  Hits         1312     1312           
  Misses       1033     1033           
  Partials        5        5           

Flag	Coverage Δ
rhdh	55.82% <ø> (ø)

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[github-actions]

Image was built and published successfully. It is available at:

• quay.io/rhdh-community/rhdh:pr-4950
• quay.io/rhdh-community/rhdh:pr-4950-c8b99f54

[openshift-ci]

@lokanandaprabhu: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-ocp-helm	c8b99f5	link	true	/test e2e-ocp-helm

Full PR test history. Your PR dashboard.

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