simple docs fixes: 'pull request' page (en-us & zh-tw) link path to 'issue-pull-request-templates'#24961

silverwind merged 3 commits intogo-gitea:maingo-gitea/gitea:mainfrom

jonkeim:docpage-pull-request_fix-link-pathsjonkeim/gitea:docpage-pull-request_fix-link-pathsCopy head branch name to clipboard