build(deps): bump crossbeam-channel from 0.5.12 to 0.5.15 in /programs/sbf#3

dependabot[bot] wants to merge 1 commit intomasterRons1170/solana:masterfrom

dependabot/cargo/programs/sbf/crossbeam-channel-0.5.15Rons1170/solana:dependabot/cargo/programs/sbf/crossbeam-channel-0.5.15Copy head branch name to clipboard