Merge branch 'hotfix/3.1.3'
Correctly handle special characters in page aliases (see #6232)
Merge branch 'hotfix/3.1.4' into develop

Conflicts:
	system/docs/CHANGELOG.md
Use `COLLATE utf8_bin` instead of `varbinary` to preserve case-sensitivity
Merge branch 'develop' of https://github.com/contao/core into develop