Don't publish spring-boot-docs jar files

Closes gh-15809

Author: philwebb

ci/pipeline.yml

@@ -273,6 +273,7 @@ jobs:
       - "**/*.effective-pom"
       - "**/spring-boot-configuration-docs/**"
       - "**/spring-boot-test-support/**"
+      - "**/spring-boot-docs-*.jar"
       artifact_set:
       - include:
         - "/**/spring-boot-docs-*.zip"