Stable release 2.93.0

What's Changed

• Set version to 2.92.9 by @tomschr in #585
• Add U+201C quotation mark by @tomschr in #588
• Remove "compact" output in admons by @tomschr in #593
• 2 column layout correction for single html pages by @GGayathri3 in #594
• Fix #596: Correct runinhead.default.title.end.punct by @tomschr in #599
• Fix #597: Correct zh-cn/zh-tw for optional steps by @tomschr in #598

Full Changelog: 2.92.9...2.93.0