Upgrade step-security/harden-runner v2.15.0 -> v2.15.1#2147

rickie merged 1 commit intomasterPicnicSupermarket/error-prone-support:masterfrom

renovate/step-security-harden-runner-2.xPicnicSupermarket/error-prone-support:renovate/step-security-harden-runner-2.xCopy head branch name to clipboard