[FLINK-22868] Update training exercises for 1.13

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.13.0, 1.13.1
• Fix Version/s: 1.13.1
• Component/s: Documentation / Training / Exercises
• Labels: pull-request-available stale-assigned
• Assignee: David Anderson
• Reporter: David Anderson
• Created: 03/Jun/21 14:04
• Updated: 19/Jun/21 08:58
• Resolved: 19/Jun/21 08:58

Description

The exercises in the flink-training repo need to be updated for 1.13. 

Issue Links

• links to: GitHub Pull Request #19