add Entra group for nomis-access SSO

[keirwilliams]

This adds SSO via Entra for the nomis-access group

[github-actions]

Please check the plan carefully before deploying these changes.

⚠️ Making changes to the environments/*.json files will affect MP AWS accounts, for more information on the potential impact of these changes consult the documentation.

[github-actions]

Trivy Scan Success

Show Output

```hcl

---

Trivy will check the following folders:

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

```hcl

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Checkov will check the following folders:

CTFLint Scan Success

Show Output

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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:

[github-actions]

Terraform Plan Summary

github
No changes. Your infrastructure matches the configuration.