chore(deps): update terraform terraform-ibm-modules/event-notifications/ibm to v1.6.5

[terraform-ibm-modules-ops]

This PR contains the following updates:

Package	Type	Update	Change
terraform-ibm-modules/event-notifications/ibm (source)	module	patch	1.6.4 -> 1.6.5

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Release Notes

terraform-ibm-modules/terraform-ibm-event-notifications (terraform-ibm-modules/event-notifications/ibm)

### [`v1.6.5`](https://togithub.com/terraform-ibm-modules/terraform-ibm-event-notifications/releases/tag/v1.6.5) [Compare Source](https://togithub.com/terraform-ibm-modules/terraform-ibm-event-notifications/compare/v1.6.4...v1.6.5) ##### Bug Fixes - **deps:** update terraform terraform-ibm-modules/cos/ibm to v8.5.1 ([#​233](https://togithub.com/terraform-ibm-modules/terraform-ibm-event-notifications/issues/233)) ([b76577c](https://togithub.com/terraform-ibm-modules/terraform-ibm-event-notifications/commit/b76577c2a9b1a7854709b97c90b61cc9a74a946b))

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[terraform-ibm-modules-dev]

/run pipeline

[terraform-ibm-modules-ops]

:tada: This PR is included in version 1.6.3 :tada:

The release is available on GitHub release

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