chore: format policy files

- ensure all policy files are correctly formatted

policies/auth/token/auth_token_self.hcl

@@ -5,10 +5,10 @@ path "auth/token/lookup-self" {
 
 # Allow tokens to renew themselves
 path "auth/token/renew-self" {
-    capabilities = ["update"]
+  capabilities = ["update"]
 }
 
 # Allow tokens to revoke themselves
 path "auth/token/revoke-self" {
-    capabilities = ["update"]
+  capabilities = ["update"]
 }