fix(deps): update terraform ibm to latest for the deployable architecture solution

[terraform-ibm-modules-ops]

This PR contains the following updates:

Package	Type	Update	Change
ibm (source)	required_provider	patch	1.64.0 -> 1.64.1

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Release Notes

IBM-Cloud/terraform-provider-ibm (ibm)

### [`v1.64.1`](https://togithub.com/IBM-Cloud/terraform-provider-ibm/blob/HEAD/CHANGELOG.md#1641-Apr-12-2024) [Compare Source](https://togithub.com/IBM-Cloud/terraform-provider-ibm/compare/v1.64.0...v1.64.1) BugFixes - The terraform-provider-ibm_v1.64.0 plugin crashed! ([5258](https://togithub.com/IBM-Cloud/terraform-provider-ibm/issues/5258)) - ibm_pi_instance: pi_network attribute :: Provider incorrectly seems to detect a change, applies it - next apply incorrectly detects the same change ([5201](https://togithub.com/IBM-Cloud/terraform-provider-ibm/pull/5201))

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[terraform-ibm-modules-ops]

:tada: This PR is included in version 8.1.8 :tada:

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