ci(workflow): add step-security - harden runner & update actions version - v4 to v6#17

Zafar7645 merged 2 commits intoZafar7645:mainZafar7645/syncup:mainfrom

DAShaikh10:task/add-harden-runner-auditDAShaikh10/syncup:task/add-harden-runner-auditCopy head branch name to clipboard