Bump regex from 1.3.5 to 1.5.6 in /agent#21

dependabot[bot] wants to merge 1 commit intomasterbuildkite/iam-ssh-agent:masterfrom

dependabot/cargo/agent/regex-1.5.6buildkite/iam-ssh-agent:dependabot/cargo/agent/regex-1.5.6Copy head branch name to clipboard