updated ref diagram with Kibana support

[Ak-sky]

Description

Updated ES-DA reference architecture diagram.

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[ocofaigh]

(No release needed for this PR as catalog points to main branch for diagram anyway)

[Ak-sky]

/run pipeline

[terraform-ibm-modules-ops]

🎉 This PR is included in version 1.22.0 🎉

The release is available on:

• GitHub release
• v1.22.0

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