chore: update latest tags to 6.0 on `6.0.x`#1153

Chickensoupwithrice wants to merge 2 commits into6.0.xsourcegraph/deploy-sourcegraph-docker:6.0.xfrom

01-29-chore_rel_update_latest_tagssourcegraph/deploy-sourcegraph-docker:01-29-chore_rel_update_latest_tagsCopy head branch name to clipboard