docs: Modified the diagram

[arya-girish-k]

Description

Modified the diagram deployable-architecture-observability-instances .
#12033

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[arya-girish-k]

/run pipeline

[arya-girish-k]

/run pipeline

[arya-girish-k]

/run pipeline

[iamar7]

Arrow is missing in the existing event notification instance. Also the existing kms arrow is pointing to root key rather than the existing kms instance

[iamar7]

The line from Cloud logs to the buckets has an extension which needs to be removed

[arya-girish-k]

/run pipeline

[arya-girish-k]

/run pipeline