[azure/graphactivitylogs] fix destination.geo.region_name mapping

[kaiyan-sheng]

Proposed commit message

This PR is to add destination.geo.region_name mapping into ecs.yml to fix error:

object mapping for [destination.geo.region_name] tried to parse field 
[region_name] as object, but found a concrete value\"}, dropping event!"

Checklist

• [x] 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.
• [x] I have added an entry to my package's changelog.yml file.
• [x] 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

Related issues

• Relates https://github.com/elastic/integrations/issues/10848

[elastic-vault-github-plugin-prod[bot]]

:rocket: Benchmarks report

To see the full report comment with /test benchmark fullreport

[elasticmachine]

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

[kaiyan-sheng]

/test

[elastic-sonarqube[bot]]

Quality Gate passed

Issues
0 New issues
0 Fixed 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

[elasticmachine]

:green_heart: Build Succeeded

• Buildkite Build
• Commit: 0a2eaf0abccd71ddcfe43e3ee36479bc16679697

History

• :broken_heart: Build #18453 failed c8ab7f61d8e9b6300c37a637167566e990d924f0
• :broken_heart: Build #18450 failed c8ab7f61d8e9b6300c37a637167566e990d924f0
• :green_heart: Build #18354 succeeded d0a233512ae5341d29d5444d67a4194687697314

[kaiyan-sheng]

Hi @elastic/security-service-integrations , could I get a review on this PR please? Thanks!

[elastic-vault-github-plugin-prod[bot]]

Package azure - 1.19.4 containing this change is available at https://epr.elastic.co/package/azure/1.19.4/