chore(deps): update terraform azurerm to v4.56.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
azurerm (source)	required_provider	minor	~> 4.55.0 -> ~> 4.56.0
azurerm (source)	required_provider	minor	4.55.0 -> 4.56.0

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Release Notes

hashicorp/terraform-provider-azurerm (azurerm)

v4.56.0

Compare Source

ENHANCEMENTS:

• dependencies: healthbot - update to API version 2025-05-25 (#​31328)
• dependencies: terraform-plugin-testing - update to v1.14.0 (#​31334)
• Data Source: azurerm_cognitive_account - add support for new attributes (#​30778)
• azurerm_cognitive_account - add support for the kind property to rollback or upgrade from OpenAI to AIServices (#​31063)
• azurerm_databricks_workspace_root_dbfs_customer_managed_key - the key_vault_key_id property now supports keys from Managed HSM Vaults (#​31336)
• azurerm_databricks_workspace_root_dbfs_customer_managed_key - the key_vault_key_id property now supports versionless keys (#​31336)
• azurerm_healthbot - add support for the C1 and PES SKUs (#​31328)
• azurerm_lb fix ignore_changes behaviour in updatable properties (#​31318)
• azurerm_network_manager_network_group - add support for the member_type property [GH-30672
• azurerm_network_manager_static_member - add support for using a subnet as the target resource (#​30672)
• azurerm_virtual_network_gateway - add support for the ErGwScale SKU (#​31082)

BUG FIXES:

• azurerm_container_app_environment_certificate - fix an issue that prevented creating the resource with an empty value for certificate_password (#​31335)
• azurerm_databricks_workspace_root_dbfs_customer_managed_key - fix a panic that occurred when the customer managed key was removed from the workspace outside of Terraform (#​31336)
• azurerm_databricks_workspace_root_dbfs_customer_managed_key - fix the timeout for the delete operation (#​31336)
• azurerm_storage_blob_inventory_policy - fix setting Resource Identity data (#​31313)

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