[Keycloak] Add Overview Dashboard

[mohitjha-elastic]

Proposed Commit Message

keycloak: add support of overview dashboard. Currently, the integration does not include the support of dashboard hence added overview dashboard in the integration to get better visualization of the data. 

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

How to test this PR locally

Clone integrations repo.
Install the elastic package locally.
Start the elastic stack using the elastic package.
Move to integrations/packages/keycloak directory.
Run the following command to run tests.
elastic-package test -v

Related issues

• Part of SSI Integration: Missing Dashboard #13702
• Part of Security Integrations | Missing Dashboards #3102

Screenshots

[elasticmachine]

Pinging @elastic/security-service-integrations (Team:Security-Service Integrations)

[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

To see the full report comment with /test benchmark fullreport

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 5539e00

History

• 💚 Build #25268 succeeded 954040b

cc @mohitjha-elastic

[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
98.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube

[elastic-vault-github-plugin-prod]

Package keycloak - 1.27.0 containing this change is available at https://epr.elastic.co/package/keycloak/1.27.0/