chore: bump @linearb/gitstream-core to 2.1.270#518

MishaKav merged 1 commit intodeveloplinear-b/gitstream-github-action:developfrom

LINBEE-24137-bump-gitstream-core-2.1.270linear-b/gitstream-github-action:LINBEE-24137-bump-gitstream-core-2.1.270Copy head branch name to clipboard