Update plugin com.diffplug.spotless to v8 (branch_9x)#4036

solrbot wants to merge 2 commits intoapache:branch_9xapache/solr:branch_9xfrom

solrbot:renovate-9x/com.diffplug.spotless-8.xsolrbot/apache-_-solr:renovate-9x/com.diffplug.spotless-8.xCopy head branch name to clipboard