add secret access to sign.yml

.github/workflows/sign.yml

@@ -4,6 +4,14 @@
 name: Java Signed CI
 
 on: [push]
+  workflow_call:
+    secrets:
+      DEV_PASSWORD:
+        description: 'A password to unlock the private key'
+        required: true
+      DEV_SIGNING_KEY:
+        description: 'the private key'
+        required: true
 
 permissions:
   contents: read