fulfillr: deploy Stripe payment requests (key + image 20260530.2348)

- add stripe_api_key to fulfillr production.json template
- add restricted Stripe key to ansible vault (encrypted)
- bump fulfillr image to the CI build containing the Stripe endpoints

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

ansible/roles/podman/tasks/main.yml

@@ -78,7 +78,7 @@
 
 - import_tasks: containers/debyltech/fulfillr.yml
   vars:
-    image: git.debyl.io/debyltech/fulfillr:20260527.2345
+    image: git.debyl.io/debyltech/fulfillr:20260530.2355
   tags: debyltech, fulfillr
 
 - import_tasks: containers/debyltech/uptime-kuma.yml

ansible/roles/podman/templates/fulfillr/production.json.j2

@@ -1,6 +1,7 @@
 {
   "snipcart_api_key": "{{ snipcart_api_key }}",
   "easypost_api_key": "{{ easypost_api_key }}",
+  "stripe_api_key": "{{ stripe_api_key }}",
   "backinstock_table": "{{ fulfillr_backinstock_table }}",
   "cases_table": "{{ fulfillr_cases_table }}",
   "aws": {