Fix reference to 'build-version'

Author: philwebb

.github/workflows/deploy-docs.yml

@@ -35,7 +35,7 @@ jobs:
         ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
         ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
         REFERENCE: ${{ github.event.inputs.build-refname }}
-        BUILD_VERSION: ${{ github.event.inputs.build-refname }}
+        BUILD_VERSION: ${{ github.event.inputs.build-version }}
       run: npx antora antora-playbook.yml --stacktrace
     - name: Sync Documentation
       uses: spring-io/spring-doc-actions/[email protected]