fix catalog validation script

[ocofaigh]

Description

the value of cloud_monitoring_instance_region_var_name was wrong so validation was failing as pods were not coming up since region was not being passed.

The diagram link was also incorrect

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/run pipeline

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/run pipeline

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/run pipeline

[terraform-ibm-modules-ops]

🎉 This PR is included in version 1.0.2 🎉

The release is available on:

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• v1.0.2

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