Add region parameter shortcode for logs intake

[estherk15]

What does this PR do? What is the motivation?

• Current configuration is static, but the intake is different based on region.
• This adds the supported endpoints, users have to replace the with their region specific endpoint.
• DOCS-9645

Merge instructions

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/merge

Additional notes

[github-actions]

Preview links (active after the build_preview check completes)

Modified Files

• https://docs-staging.datadoghq.com/esther/docs-9645-fix-region-parameter/logs/log_collection/java

[estherk15]

/merge

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2024-12-10 15:25:36 UTC ℹ️ MergeQueue: waiting for PR to be ready

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2024-12-10 17:14:05 UTC ℹ️ MergeQueue: merge request added to the queue

The median merge time in master is 7m.