Release 13.24.0

v13.24.0

• Upgrade golang to 1.17.7 !576 (merged)
• Add more metrics for gitlab-sshd !574 (merged)
• Move code guidelines to doc/beginners_guide.md !572 (merged)
• Add docs for full feature list !571 (merged)
• Add aqualls as codeowner for docs files !573 (merged)

Related: gitlab!81364 (merged)