Update ticket description format and simplify PR description handling in bump-gitstream-core workflow [skip ci]#286

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

LINBEE-13299-gitstream-core-fully-auto-deploy-process-5linear-b/gitstream-github-action:LINBEE-13299-gitstream-core-fully-auto-deploy-process-5Copy head branch name to clipboard