[FLINK-18381] Update Jekyll to 4.0.1

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.11.0
• Component/s: Documentation
• Assignee: Aljoscha Krettek
• Reporter: Aljoscha Krettek
• Created: 19/Jun/20 12:39
• Updated: 22/Jun/20 09:37
• Resolved: 22/Jun/20 09:37

Description

Building the docs with Ruby 2.7 and Jekyll 4.0.0 spits out a lot of warnings, see https://github.com/jekyll/jekyll/issues/7947. Updating to 4.0.1 fixes this.