GraphQL generator imports prettier but prettier is not declared as a dependency

[josefaidt]

Before opening, please confirm:

• I have installed the latest version of the Amplify CLI (see above), and confirmed that the issue still persists.
• I have searched for duplicate or closed issues.
• I have read the guide for submitting bug reports.
• I have done my best to include a minimal, self-contained set of instructions for consistently reproducing the issue.

How did you install the Amplify CLI?

pnpm

If applicable, what version of Node.js are you using?

20

Amplify CLI Version

latest

What operating system are you using?

mac

Amplify Codegen Command

Not applicable

Describe the bug

https://github.com/aws-amplify/amplify-codegen/blob/main/packages/graphql-generator/src/utils/GraphQLStatementsFormatter.ts#L2

see title, this breaks with certain package managers (modern yarn, maybe pnpm, npm with "linked" install strategy)

Expected behavior

prettier is declared as a dependency of the workspace package

Reproduction steps

n/a

GraphQL schema(s)

# Put schemas below this line

Log output

# Put your logs below this line

Additional information

https://rushjs.io/pages/advanced/phantom_deps/#phantom-dependencies