LASB-3147 - update MLRA test to point to InfoX UAT on Landing Zone

[lkm0287]

This update is to point MLRA test environment to the Landing Zone's InfoX on UAT environment that already points to Staging Libra environment within HMCTS platform.

[github-actions]

Trivy Scan Success

Show Output

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Trivy will check the following folders:

</details> #### `Checkov Scan` Success
<details><summary>Show Output</summary>

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Checkov will check the following folders:

CTFLint Scan Success

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Setting default tflint config...
Running tflint --init...
Installing "terraform" plugin...
Installed "terraform" (source: github.com/terraform-linters/tflint-ruleset-terraform, version: 0.9.1)
tflint will check the following folders:

Trivy Scan Success

Show Output

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Trivy will check the following folders: