Vitess v2.15.1

What's Changed

• [release-2.15] Back to dev mode after the release of v2.15.0 by @vitess-bot in #694
• [release-2.15] Make --s3_backup_aws_min_partsize optional by @frouioui in #704
• [release-2.15] Update Golang version to v1.24.4 by @GuptaManan100 in #705
• [release-2.15] Release of v2.15.1 by @GuptaManan100 in #706

Full Changelog: v2.15.0...v2.15.1