Fix broken links reported in linkcheck#6176

Shivam-Bhardwaj wants to merge 1 commit intoros2:rollingros2/ros2_documentation:rollingfrom

Shivam-Bhardwaj:fix/issue-4209-broken-linksShivam-Bhardwaj/ros2_documentation:fix/issue-4209-broken-linksCopy head branch name to clipboard