Add Pagerduty Annotation

This adds an annotation for the Pagerduty service linked to this Lambda so that it works in Backstage

catalog-info.yaml

@@ -7,7 +7,8 @@ metadata:
   annotations:
     github.com/project-slug: roadiehq/sync-techdocs-action
     backstage.io/techdocs-ref: dir:.
+    pagerduty.com/service-id: P2RXCGR
 spec:
   type: library
   owner: RoadieHQ
-  lifecycle: production
+  lifecycle: production