Update doc links

Author: SangJunBak

doc/user/content/installation/upgrading.md

@@ -12,9 +12,9 @@ For a more specific set of steps, please consult the deployment-specific upgrade
 documentation:
  - [Minikube](/installation/install-on-local-minikube/upgrade-on-local-minikube/)
  - [Kind](/installation/install-on-local-kind/upgrade-on-local-kind/)
- - [AWS](/installation/install-on-aws/upgrade-on-aws/)
- - [GCP](/installation/install-on-gcp/upgrade-on-gcp/)
- - [Azure](/installation/install-on-azure/upgrade-on-azure/)
+ - [AWS](/installation/install-on-aws/legacy-terraform-provider/upgrade/)
+ - [GCP](/installation/install-on-gcp/legacy-terraform-provider/upgrade/)
+ - [Azure](/installation/install-on-azure/legacy-terraform-provider/upgrade/)
 
 ***When upgrading always***:
 - Upgrade the operator first and ensure version compatibility between the operator and the Materialize instance you are upgrading to.
@@ -172,8 +172,10 @@ kubectl logs -l app.kubernetes.io/name=materialize-operator -n materialize
 - Swap is now enabled by default. Swap reduces the memory required to
   operate Materialize and improves cost efficiency. Upgrading to `v26.0`
   requires some preparation to ensure kubernetes nodes are labeled
-  and configured correctly. Please refer to our guide on [swap node
-  preparation](/installation/upgrade-to-swap).
+  and configured correctly. For detailed instructions on swap node
+  preparation, see:
+
+  {{< yaml-table data="self_managed/enable_swap_upgrade_guides" >}}
 
 
 #### Upgrading between minor versions less than `v26`

doc/user/content/releases/_index.md

@@ -27,11 +27,11 @@ instructions for your deployment:
   - [Upgrade on Kind (via
     Helm)](/installation/install-on-local-kind/upgrade-on-local-kind/)
   - [Upgrade on AWS (via
-    Terraform)](/installation/install-on-aws/upgrade-on-aws/)
+    Terraform)](/installation/install-on-aws/legacy-terraform-provider/upgrade/)
   - [Upgrade on Azure (via
-    Terraform)](/installation/install-on-azure/upgrade-on-azure/)
+    Terraform)](/installation/install-on-azure/legacy-terraform-provider/upgrade/)
   - [Upgrade on GCP (via
-    Terraform)](/installation/install-on-gcp/upgrade-on-gcp/)
+    Terraform)](/installation/install-on-gcp/legacy-terraform-provider/upgrade/)
 
 - To upgrade from v25.2.12 or earlier, you must prepare your nodes by adding the
 required labels. For detailed instructions, see:

doc/user/layouts/shortcodes/self-managed/aws-terraform-configs.html

@@ -6,4 +6,4 @@
 For more configuration options, you can use the `main.tf` file at the [root of
 the repository](https://github.com/MaterializeInc/terraform-aws-materialize/)
 instead. When running with the root `main.tf`, see [AWS required
-configuration](/installation/install-on-aws/appendix-aws-configuration/).
+configuration](/installation/install-on-aws/legacy-terraform-provider/appendix-configuration/).

doc/user/layouts/shortcodes/self-managed/azure-terraform-configs.html

@@ -7,4 +7,4 @@
 the
 repository](https://github.com/MaterializeInc/terraform-azurerm-materialize/)
 instead. When running with the root `main.tf`, see [Azure required
-configuration](/installation/install-on-azure/appendix-azure-configuration/).
+configuration](/installation/install-on-azure/legacy-terraform-provider/appendix-configuration/).