[Redis Enterprise] Add dimension fields to proxy datastream.

[ritalwar]

Proposed commit message

This PR adds the dimension field mappings for the proxy datastream of Redis Enterprise to support TSDB enablement.

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.

Related issues

• Relates [Redis Enterprise] TSDB Enablement #6268

TSDB Tests

proxy

You're testing with version 8.9.0.

Testing data stream metrics-redisenterprise.proxy-default.
Index being used for the documents is .ds-metrics-redisenterprise.proxy-default-2023.11.24-000001.
Index being used for the settings and mappings is .ds-metrics-redisenterprise.proxy-default-2023.11.24-000002.

The time series fields for the TSDB index are: 
        - dimension (17 fields):
                - agent.id
                - cloud.account.id
                - cloud.availability_zone
                - cloud.instance.id
                - cloud.provider
                - cloud.region
                - container.id
                - host.name
                - redisenterprise.proxy.labels.bdb
                - redisenterprise.proxy.labels.cluster
                - redisenterprise.proxy.labels.endpoint
                - redisenterprise.proxy.labels.instance
                - redisenterprise.proxy.labels.job
                - redisenterprise.proxy.labels.node
                - redisenterprise.proxy.labels.port
                - redisenterprise.proxy.labels.proxy
                - service.address
        - routing_path (17 fields):
                - agent.id
                - cloud.account.id
                - cloud.availability_zone
                - cloud.instance.id
                - cloud.provider
                - cloud.region
                - container.id
                - host.name
                - redisenterprise.proxy.labels.bdb
                - redisenterprise.proxy.labels.cluster
                - redisenterprise.proxy.labels.endpoint
                - redisenterprise.proxy.labels.instance
                - redisenterprise.proxy.labels.job
                - redisenterprise.proxy.labels.node
                - redisenterprise.proxy.labels.port
                - redisenterprise.proxy.labels.proxy
                - service.address

Index tsdb-index-enabled successfully created.

Copying documents from .ds-metrics-redisenterprise.proxy-default-2023.11.24-000001 to tsdb-index-enabled...
All 34 documents taken from index .ds-metrics-redisenterprise.proxy-default-2023.11.24-000001 were successfully placed to index tsdb-index-enabled.

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• Start Time: 2023-11-24T07:09:59.703+0000

• Duration: 15 min 54 sec

Test stats 🧪

Test	Results
Failed	0
Passed	5
Skipped	0
Total	5

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Name	Metrics % (covered/total)	Diff
Packages	100.0% (0/0)	💚
Files	100.0% (0/0)	💚 5.556
Classes	100.0% (0/0)	💚 5.556
Methods	50.0% (4/8)	👎 -39.701
Lines	100.0% (0/0)	💚 13.917
Conditionals	100.0% (0/0)	💚

[harnish-elastic]

LGTM!

[agithomas]

LGTM!

[elasticmachine]

Package redisenterprise - 0.8.2 containing this change is available at https://epr.elastic.co/search?package=redisenterprise