Merge branch '53577-update-additional-resources-link-training-material-tags-docs' into 'master'

Update additional resources link in training material docs

Closes #53577

See merge request gitlab-org/gitlab-ce!23056

doc/university/training/topics/tags.md

@@ -22,7 +22,7 @@ comments: false
 
 **Additional resources**
 
-<http://git-scm.com/book/en/Git-Basics-Tagging>
+<https://git-scm.com/book/en/Git-Basics-Tagging>
 
 ----------