implement request concurrency for gen2 functions

[JakesObrien]

Pull Request

Description

Implement support for maxInstanceRequestConcurrency, Lets functions serve more than one request per instance (defaults to 1 currently)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Release preparation

Reviewers

@tgerulaitis @iamsambrown

Release Checklist

If this PR is preparing a release, please ensure:

• The version in package.json has been updated following Semantic Versioning principles
  • Major version bump for breaking changes
  • Minor version bump for new features
  • Patch version bump for bug fixes
• The CHANGELOG.md has been updated with details of the changes under the [Unreleased] section
  • Added any new features under "### Added"
  • Documented any changes under "### Changed"
  • Documented any bug fixes under "### Fixed"
  • Documented any breaking changes under "### Breaking changes"
• All tests pass locally (npm run test)
• Code linting passes (npm run lint)
• The PR title clearly describes the changes

Post-Merge Automation

After merging to master, the following will happen automatically:

• The package will be published to npm
• A GitHub release will be created with the CHANGELOG content
• The PR will be commented with the release information

Testing

Installed beta locally, and ran TF plan, happy with output

          ~ max_instance_count               = 1 -> 2
          ~ max_instance_request_concurrency = 1 -> 100
            # (11 unchanged attributes hidden)

            # (1 unchanged block hidden)
}

[github-actions]

🚀 Beta version published: 5.2.0-beta.pr.91.20260916102541

You can install this version with:

npm install @space48/cloud-seed@5.2.0-beta.pr.91.20260916102541