feat(infra): data, storage, devtools, and ory layer updates

- data: CNPG cluster tuning, OpenBao values, OpenSearch deployment fixes,
  OpenSearch PVC, barman vault secret for S3 backup credentials
- storage: SeaweedFS filer updates (s3.json via secret subPath), PVC for
  filer persistent storage
- devtools: Gitea values (SSH service, custom theme), gitea-theme-cm ConfigMap
- ory: add kratos-selfservice-urls.yaml for self-service flow URLs
- media: LiveKit values updated (TURN config, STUN, resource limits)
- vso: kustomization cleanup

base/data/barman-vault-secret.yaml

@@ -0,0 +1,39 @@
+---
+# VaultAuth for VSO to authenticate in the data namespace.
+apiVersion: secrets.hashicorp.com/v1beta1
+kind: VaultAuth
+metadata:
+  name: vso-auth
+  namespace: data
+spec:
+  method: kubernetes
+  mount: kubernetes
+  kubernetes:
+    role: vso
+    serviceAccount: default
+---
+# Scaleway S3 credentials for CNPG barman backups.
+# OpenBao KV path: secret/scaleway-s3 (keys: access-key-id, secret-access-key)
+# Seeded by: sunbeam seed (reads from scw CLI config)
+apiVersion: secrets.hashicorp.com/v1beta1
+kind: VaultStaticSecret
+metadata:
+  name: barman-s3-creds
+  namespace: data
+spec:
+  vaultAuthRef: vso-auth
+  mount: secret
+  type: kv-v2
+  path: scaleway-s3
+  refreshAfter: 30s
+  destination:
+    name: barman-s3-creds
+    create: true
+    overwrite: true
+    transformation:
+      excludeRaw: true
+      templates:
+        ACCESS_KEY_ID:
+          text: "{{ index .Secrets \"access-key-id\" }}"
+        ACCESS_SECRET_KEY:
+          text: "{{ index .Secrets \"secret-access-key\" }}"