Bump spotbug to 6.2.2 and checkstyle 10.26.1#827

Gaganjuneja wants to merge 2 commits intoopensearch-project:2.xopensearch-project/performance-analyzer:2.xfrom

Gaganjuneja:backport-826-to-2.xGaganjuneja/performance-analyzer:backport-826-to-2.xCopy head branch name to clipboard