Rename terraform-ipam CI ServiceAccount -> terraform-infra (#335)

Follows the `terraform-ipam` -> `terraform-infra` repo rename. Renames the woodpecker ServiceAccount and its kustomization entry.

https://claude.ai/code/session_01JUoARVdmhxKQHyyyp1pxeT
Reviewed-on: #335
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>

apps/base/woodpecker/kustomization.yaml

@@ -12,7 +12,7 @@ resources:
   - serviceaccount_terraform_authentik.yaml
   - serviceaccount_terraform_enc.yaml
   - serviceaccount_terraform_git.yaml
-  - serviceaccount_terraform_ipam.yaml
+  - serviceaccount_terraform_infra.yaml
   - serviceaccount_terraform_prowlarr.yaml
   - serviceaccount_terraform_rancher.yaml
   - serviceaccount_terraform_radarr.yaml

apps/base/woodpecker/serviceaccount_terraform_infra.yaml

@@ -2,5 +2,5 @@
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: terraform-ipam
+  name: terraform-infra
   namespace: woodpecker