chore(deps): update terraform oci to v6.13.0 (#17)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [oci](https://registry.terraform.io/providers/oracle/oci)
([source](https://redirect.github.com/oracle/terraform-provider-oci)) |
required_provider | minor | `6.12.0` -> `6.13.0` |

---

### Release Notes

<details>
<summary>oracle/terraform-provider-oci (oci)</summary>

###
[`v6.13.0`](https://redirect.github.com/oracle/terraform-provider-oci/blob/HEAD/CHANGELOG.md#6130-October-09-2024)

[Compare
Source](https://redirect.github.com/oracle/terraform-provider-oci/compare/v6.12.0...v6.13.0)

##### Added

-   Desktop as a Service: Shape Flexibility
- Support for Operations Insights : Autonomous Database IAM based
connections
-   Support for Customer Facing Scalable agent upgrade | ExaCC and ExaCS
-   9/24- Support for ZPR v1
- Support for PV Support for Launch w/Multiple Attachments Support for
VMs
-   Support for Stack Monitoring Maintenance Windows
-   To Support for Depracate old apps admin user creation with password
-   Support for Desktop as a Service: Private Access
-   Support for Proxy Protocol on OCI LBaaS

</details>

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terraform/oci/versions.tf

@@ -6,7 +6,7 @@ terraform {
   required_providers {
     oci = {
       source  = "oracle/oci"
-      version = "6.12.0"
+      version = "6.13.0"
     }
   }
 }