fix: update DA diagram link (#154)

Author: piyush117

ibm_catalog.json

@@ -431,7 +431,7 @@
               {
                 "diagram": {
                   "caption": "Cloud Logs",
-                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-cloud-logs/refs/heads/main/reference-architecture/deployable-architecture-cloud-logs.svg",
+                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-cloud-logs/refs/heads/main/reference-architectures/deployable-architecture-cloud-logs.svg",
                   "type": "image/svg+xml"
                 },
                 "description": "This architecture supports the creation and configuration of an IBM Cloud Logs instance.<br><br> A Cloud Object Storage (COS) instance is required for this topology. Within this instance, two Object Storage buckets will be created to store logs and metrics data. The [Cloud automation for Object Storage](https://cloud.ibm.com/catalog/7a4d68b4-cf8b-40cd-a3d1-f49aff526eb3/architecture/deploy-arch-ibm-cos-68921490-2778-4930-ac6d-bae7be6cd958-global) architecture supports the provisioning of a Cloud Object Storage instance. Alternatively, you can provide the details of an existing Cloud Object Storage instance.<br><br> Additionally, the Object Storage buckets can be encrypted using IBM Cloud Key Management Services (KMS) to enhance security. The [Cloud automation for Key Protect](https://cloud.ibm.com/catalog/7a4d68b4-cf8b-40cd-a3d1-f49aff526eb3/architecture/deploy-arch-ibm-kms-2cad4789-fa90-4886-9c9e-857081c273ee-global) architecture supports the provisioning of a KMS instance where a Key Ring and associated Key will be created by this solution to manage encryption. Alternatively, you may choose to provide the details of an existing KMS instance."
@@ -904,7 +904,7 @@
               {
                 "diagram": {
                   "caption": "Cloud Logs",
-                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-cloud-logs/refs/heads/main/reference-architecture/deployable-architecture-cloud-logs.svg",
+                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-cloud-logs/refs/heads/main/reference-architectures/deployable-architecture-cloud-logs.svg",
                   "type": "image/svg+xml"
                 },
                 "description": "This architecture supports the creation and configuration of an IBM Cloud Logs instance.<br><br> An existing Cloud Object Storage (COS) instance is required for this topology. Within this instance, two Object Storage buckets will be created to store logs and metrics data. <br><br> By default, both Object Storage buckets will be encrypted to enhance security."