move ollama api key to valut

vault/kubernetes-roles/ollama-proxy.yaml

@@ -0,0 +1,6 @@
+bound_service_account_names:
+  - ollama-proxy
+bound_service_account_namespaces:
+  - ollama
+token_policies:
+  - ollama

vault/policy/ollama.hcl

@@ -0,0 +1,3 @@
+path "secret/data/ollama" {
+    capabilities = ["read"]
+}