Update CI to skip artifact downloads when possible

Update the promote and sync jobs so that only the build-info.json
file is downloaded.

Closes gh-16448

Author: philwebb

ci/pipeline.yml

@@ -422,6 +422,7 @@ jobs:
     trigger: false
     passed: [stage-milestone]
     params:
+      download_artifacts: false
       save_build_info: true
   - task: promote
     image: spring-boot-ci-image
@@ -452,6 +453,7 @@ jobs:
     trigger: false
     passed: [stage-rc]
     params:
+      download_artifacts: false
       save_build_info: true
   - task: promote
     image: spring-boot-ci-image
@@ -482,6 +484,7 @@ jobs:
     trigger: false
     passed: [stage-release]
     params:
+      download_artifacts: false
       save_build_info: true
   - task: promote
     image: spring-boot-ci-image
@@ -504,6 +507,7 @@ jobs:
     trigger: true
     passed: [promote-release]
     params:
+      download_artifacts: false
       save_build_info: true
   - task: sync-to-maven-central
     image: spring-boot-ci-image