fix(serve-module): dev cdn would fail to start when serving modules without a legacy bundle

[10xLaCroixDrinker]

Description

Update @americanexpress/one-app-server-bundler to 1.0.3

Motivation and Context

See americanexpress/one-app-cli#629

How Has This Been Tested?

Validated manually by @code-forger

Types of Changes

• 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 (adding or updating documentation)
• Dependency update
• Security update

Checklist:

• My change requires a change to the documentation and I have updated the documentation accordingly.
• These changes should be applied to a maintenance branch.
• This change requires cross browser checks.
• Performance tests should be ran against the server prior to merging.
• This change impacts caching for client browsers.
• This change impacts HTTP headers.
• This change adds additional environment variable requirements for One App users.
• I have added the Apache 2.0 license header to any new files created.

What is the Impact to Developers Using One App?

Will be able to serve modules without legacy bundle

[github-actions]

Size Change: 0 B

Total Size: 735 kB

ℹ️ View Unchanged

Filename	Size
./build/app/app.js	187 kB
./build/app/app~vendors.js	411 kB
./build/app/runtime.js	7.07 kB
./build/app/service-worker-client.js	7.25 kB
./build/app/vendors.js	123 kB

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