Fix artifactory property used on docs

Fixes gh-10608

Author: philwebb

ci/pipeline.yml

@@ -106,8 +106,8 @@ jobs:
       - include:
         - "/**/spring-boot-docs-*.zip"
         properties:
-          zip-type: "docs"
-          zip-deployed: "false"
+          "zip.type": "docs"
+          "zip.deployed": "false"
 - name: jdk9-build
   serial: true
   plan: