The clean scripts seem to miss some cache dirs

[mme]

Describe the bug
Setting sourcemap=true in the react-core package results in a build error.

To Reproduce
Steps to reproduce the behavior:

1. Set sourcemap=true in the tsup config of react-core
2. Run pnpm -w fresh build

Expected behavior
Builds without error

Error Message

next-openai:build: cache miss, executing 9ba582d7b51e5742
next-openai:build: 
next-openai:build: > next-openai@1.21.0 build /Users/mme/Code/CopilotKit/CopilotKit/examples/next-openai
next-openai:build: > next build
next-openai:build: 
next-openai:build: - info Loaded env from /Users/mme/Code/CopilotKit/CopilotKit/examples/next-openai/.env.local
next-openai:build: - info Creating an optimized production build...
next-openai:build: Failed to compile.
next-openai:build: 
next-openai:build: ../../packages/react-core/dist/index.mjs
next-openai:build: Error: 
next-openai:build:   x Expression expected
next-openai:build:     ,-[/Users/mme/Code/CopilotKit/CopilotKit/packages/react-core/dist/index.mjs:72:1]
next-openai:build:  72 | };
next-openai:build:  73 | //# sourceMappingURL=index.mjs.map Promise.resolve(x.value).then(fulfilled, rejected);
next-openai:build:  74 |     step((generator = generator.apply(__this, __arguments)).next());
next-openai:build:  75 |   });
next-openai:build:     :   ^
next-openai:build:  76 | };
next-openai:build:  77 | 
next-openai:build:  78 | // src/components/copilot-provider/copilotkit.tsx
next-openai:build:     `----
next-openai:build: 
next-openai:build: Caused by:
next-openai:build:     Syntax Error
next-openai:build: 
next-openai:build: Import trace for requested module:
next-openai:build: ../../packages/react-core/dist/index.mjs
next-openai:build: ./src/app/page.tsx
next-openai:build: 
next-openai:build: ../../packages/react-core/dist/index.mjs
next-openai:build: Module parse failed: Unexpected token (75:2)
next-openai:build: You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
next-openai:build: | //# sourceMappingURL=index.mjs.map Promise.resolve(x.value).then(fulfilled, rejected);
next-openai:build: |     step((generator = generator.apply(__this, __arguments)).next());
next-openai:build: >   });
next-openai:build: | };
next-openai:build: | 
next-openai:build: 
next-openai:build: Import trace for requested module:
next-openai:build: ../../packages/react-core/dist/index.mjs
next-openai:build: ./src/app/devday/page.tsx
next-openai:build: 
next-openai:build: 
next-openai:build: > Build failed because of webpack errors
next-openai:build:  ELIFECYCLE  Command failed with exit code 1.
next-openai:build: ERROR: command finished with error: command (/Users/mme/Code/CopilotKit/CopilotKit/examples/next-openai) pnpm run build exited (1)
next-openai#build: command (/Users/mme/Code/CopilotKit/CopilotKit/examples/next-openai) pnpm run build exited (1)

[mme]

This is not actually related to sourcemap=true...

It seems like we miss some cache directories when cleaning up the build. Will change the title