Stabilize `purchase-order` feature in sdk
This stabilizes the `purchase-order` feature in the Grid SDK by moving
the feature from `experimental` to `stable`.
@@ -81,6 +81,7 @@ stable = [
"postgres",
"product",
"product-gdsn",
+ "purchase-order",
"rest-api",
"rest-api-endpoint-agent",
"rest-api-endpoint-batches",
@@ -107,7 +108,6 @@ experimental = [
# The following features are experimental:
"batch-processor",
"batch-store",
- "purchase-order",
"rest-api-actix-web-3",
"rest-api-actix-web-3-run",
"rest-api-endpoint-purchase-order",
