deploy-runner-on-gcp - cml runner command misinterpreted with multi-line, multi-command syntax

[gregoryfoster]

Describe the Bug

The Event Gather workflow fails during the deploy-runner-on-gcp job as the cml runner command is misinterpreted as a multi-line, multi-command entry rather than multi-line, single-command.

It's a syntax issue:
https://github.com/nick-fields/retry#run-multi-line-multi-command-script

Expected Behavior

Expected the workflow to proceed.

Reproduction

Running as is results in the following output; the Unknown argument: \ is the red flag.

Run nick-fields/retry@v2
cml runner

Manage self-hosted (cloud & on-premise) CI runners

Commands:
  cml runner launch  Launch and register a self-hosted runner
                     https://cml.dev/doc/ref/runner

Global Options:
  --log                    Logging verbosity
          [string] [choices: "error", "warn", "info", "debug"] [default: "info"]
  --driver                 Git provider where the repository is hosted
    [string] [choices: "github", "gitlab", "bitbucket"] [default: infer from the
                                                                    environment]
  --repo                   Repository URL or slug
                                  [string] [default: infer from the environment]
  --driver-token, --token  CI driver personal/project access token (PAT)
                                  [string] [default: infer from the environment]
  --help                   Show help                                   [boolean]

Unknown argument: \
Warning: Attempt 1 failed. Reason: Child_process exited with error code 1
cml runner

Environment

Any additional information about your environment.

• OS Version: [e.g. macOS 11.3.1]
• Cookiecutter Version: [e.g. 0.5.0]