Add logging/vlogs kubernetes auth role

Bind the templated kv/kubernetes policy to it

config/auth_kubernetes_role/k8s/au/syd1/logging_vlogs.yaml

@@ -0,0 +1,7 @@
+bound_service_account_names:
+  - vlogs
+bound_service_account_namespaces:
+  - logging
+token_ttl: 600
+token_max_ttl: 600
+audience: vault

policies/kv/kubernetes/default.yaml

@@ -14,3 +14,4 @@ rules:
 auth:
   k8s/au/syd1:
     - default
+    - logging_vlogs

policies/kv/kubernetes/namespace/logging/default/vlogs-oauth-credentials/read.yaml

@@ -0,0 +1,14 @@
+# Allow the Terraform Authentik runner to read the vlogs OIDC client secret. It is
+# a second OIDC client in an already-onboarded namespace, so it cannot use the
+# one-per-namespace oauth-credentials path.
+---
+rules:
+  - path: "kv/data/kubernetes/namespace/logging/default/vlogs-oauth-credentials"
+    capabilities:
+      - read
+
+auth:
+  approle:
+    - terraform_authentik
+  k8s/au/syd1:
+    - woodpecker_terraform_authentik