fix(deps): update terraform terraform-ibm-modules/cos/ibm to v8.5.3

[terraform-ibm-modules-ops]

This PR contains the following updates:

Package	Type	Update	Change
terraform-ibm-modules/cos/ibm (source)	module	patch	8.5.2 -> 8.5.3

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Release Notes

terraform-ibm-modules/terraform-ibm-cos (terraform-ibm-modules/cos/ibm)

### [`v8.5.3`](https://togithub.com/terraform-ibm-modules/terraform-ibm-cos/releases/tag/v8.5.3) [Compare Source](https://togithub.com/terraform-ibm-modules/terraform-ibm-cos/compare/v8.5.2...v8.5.3) ##### Bug Fixes - **deps:** update terraform terraform-ibm-modules/cbr/ibm to v1.23.0 ([#​657](https://togithub.com/terraform-ibm-modules/terraform-ibm-cos/issues/657)) ([7563ea2](https://togithub.com/terraform-ibm-modules/terraform-ibm-cos/commit/7563ea2b3ef15ba425abf2be901b59ed94fc0cf0))

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[terraform-ibm-modules-dev]

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[terraform-ibm-modules-ops]

:tada: This PR is included in version 3.27.1 :tada:

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