chore(deps): update module github.com/terraform-ibm-modules/ibmcloud-terratest-wrapper to v1.31.8

[terraform-ibm-modules-ops]

This PR contains the following updates:

Package	Type	Update	Change
github.com/terraform-ibm-modules/ibmcloud-terratest-wrapper	require	patch	v1.31.7 -> v1.31.8

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Release Notes

terraform-ibm-modules/ibmcloud-terratest-wrapper (github.com/terraform-ibm-modules/ibmcloud-terratest-wrapper)

### [`v1.31.8`](https://togithub.com/terraform-ibm-modules/ibmcloud-terratest-wrapper/releases/tag/v1.31.8) [Compare Source](https://togithub.com/terraform-ibm-modules/ibmcloud-terratest-wrapper/compare/v1.31.7...v1.31.8) ##### Bug Fixes - **deps:** update gomod ([#​809](https://togithub.com/terraform-ibm-modules/ibmcloud-terratest-wrapper/issues/809)) ([5f06800](https://togithub.com/terraform-ibm-modules/ibmcloud-terratest-wrapper/commit/5f06800658d5a06e66749a79dc7def01d5ce7645))

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[terraform-ibm-modules-dev]

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[terraform-ibm-modules-ops]

:tada: This PR is included in version 1.1.6 :tada:

The release is available on:

• GitHub release
• v1.1.6

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