[PingDirectory][Group] Add Group data stream

[muskan-agarwal26]

Proposed commit message

The initial release includes group data stream, associated dashboard and visualizations.

PingDirectory fields are mapped to their corresponding ECS fields where possible.

Test samples were derived from live data samples, which were subsequently sanitized.

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.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

How to test this PR locally

To test the PingDirectory package:

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

elastic-package test

Run asset tests for the package
--- Test results for package: ping_directory - START ---
| PACKAGE        | DATA STREAM | TEST TYPE | TEST NAME                                                  | RESULT | TIME ELAPSED |
| ping_directory |             | asset     | dashboard ping_directory-b2380ddf-991e-4c72-8fb4-abb3206db74d is loaded | PASS | 2.135µs |
| ping_directory |             | asset     | lens ping_directory-302ed42a-03bf-483d-a056-41f99d43908f is loaded | PASS | 155ns |
| ping_directory |             | asset     | lens ping_directory-83bcd4a6-2174-46f0-924b-2e778b8759fd is loaded | PASS | 204ns |
| ping_directory |             | asset     | lens ping_directory-d82eb1fc-ee25-4605-a2fa-8496e18d1235 is loaded | PASS | 133ns |
| ping_directory |             | asset     | lens ping_directory-ee497d59-c6b9-47ba-87c3-ba4c42872251 is loaded | PASS | 142ns |
| ping_directory |             | asset     | lens ping_directory-ff4c6268-9001-414d-92a8-ffbbc2a79c45 is loaded | PASS | 133ns |
| ping_directory | group       | asset     | index_template logs-ping_directory.group is loaded        | PASS | 161ns |
| ping_directory | group       | asset     | ingest_pipeline logs-ping_directory.group-0.1.0 is loaded | PASS | 96ns |
--- Test results for package: ping_directory - END   ---

Run pipeline tests for the package
--- Test results for package: ping_directory - START ---
| PACKAGE        | DATA STREAM | TEST TYPE | TEST NAME                                 | RESULT | TIME ELAPSED |
| ping_directory | group       | pipeline  | (ingest pipeline warnings test-group.log) | PASS | 380.874988ms |
| ping_directory | group       | pipeline  | test-group.log                            | PASS | 521.973931ms |
--- Test results for package: ping_directory - END   ---

Run static tests for the package
--- Test results for package: ping_directory - START ---
| PACKAGE        | DATA STREAM | TEST TYPE | TEST NAME                | RESULT | TIME ELAPSED |
| ping_directory | group       | static    | Verify sample_event.json | PASS | 137.274328ms |
--- Test results for package: ping_directory - END   ---

Run system tests for the package
--- Test results for package: ping_directory - START ---
| PACKAGE        | DATA STREAM | TEST TYPE | TEST NAME | RESULT | TIME ELAPSED |
| ping_directory | group       | system    | default   | PASS | 53.642549189s |
--- Test results for package: ping_directory - END   ---

Related issues

• Relates: [New Integration] PingDirectory [New Integration] PingDirectory #19103

Screenshots

[github-actions]

Elastic Docs Style Checker (Vale)

Summary: 1 suggestion found

💡 Suggestions (1): Optional style improvements. Apply when helpful.

File	Line	Rule	Message
packages/ping_directory/changelog.yml	1	Elastic.Versions	Use 'later versions' instead of 'newer versions' when referring to versions.

---

The Vale linter checks documentation changes against the Elastic Docs style guide. To use Vale locally or report issues, refer to Elastic style guide for Vale.

[elastic-vault-github-plugin-prod]

✅ All changelog entries have the correct PR link.

[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

To see the full report comment with /test benchmark fullreport

[elasticmachine]

💚 Build Succeeded

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• Commit: 7763fee