feat: add workflow execution samples with and without arguments

[angelcaamal]

Description

Fixes Internal: b/505880299

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• Required CI tests pass (see CI testing)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• This pull request is from a branch created directly off of GoogleCloudPlatform/nodejs-docs-samples. Not a fork.
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new sample directory, and I created GitHub Actions workflow for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

Note: Any check with (dev), (experimental), or (legacy) can be ignored and should not block your PR from merging (see CI testing).

[gemini-code-assist]

Code Review

This pull request introduces new JavaScript and TypeScript samples for executing Google Cloud Workflows with and without arguments, along with corresponding tests and configuration updates. The feedback highlights critical issues in error handling where caught errors are not rethrown, preventing the process from exiting with a failure code. Additionally, it is recommended to cap the exponential backoff delay during execution polling to avoid excessively long wait times.

[snippet-bot]

Here is the summary of changes.

You are about to add 5 region tags.

• workflows/quickstart/executeWithArguments.js:24, tag workflows_execute_with_arguments
• workflows/quickstart/executeWithArguments.ts:21, tag workflows_execute_with_arguments
• workflows/quickstart/executeWithoutArguments.js:23, tag workflows_execute_without_arguments
• workflows/quickstart/executeWithoutArguments.ts:20, tag workflows_execute_without_arguments
• workflows/quickstart/test/executeWorkflow.test.js:71, tag workflows_myfirstworkflow

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