[ARROW-13760] [C++] Bump Protobuf version to 3.15 when Flight is enabled

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++, Packaging
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29389
• Assignee: David Li
• Reporter: David Li
• Created: 25/Aug/21 20:03
• Updated: 11/Jan/23 08:35
• Resolved: 31/Aug/21 04:18

Description

Try bumping Protobuf to 3.15 so that FlightSQL can use the new optional feature.

Issue Links

• links to: GitHub Pull Request #11006