[api-extractor]: `@internal` APIs from 3rd party deps/node_modules are not removed in rolluped dts

[Hotell]

Summary

3rd party package API's with @internal annotation are not removed when publicTrimmedFilePath is used.

3rd party package == any dependency installed outside actual repo

Repro steps

Link to whole repro

Steps:

1. run yarn build
2. check output:

check packages/one/dist/public.d.ts:

• ✅ internalOne has been stripped as expected (inside package API)
• 🐛 Attributes re-export hasn't been stripped (3rd party/node_modules package) - This should have been removed !

Standard questions

Please answer these questions to help us investigate your issue more quickly:

Question	Answer
@microsoft/api-extractor version?	7.24.2
Operating system?	Linux/Mac
API Extractor scenario?	rollups (.d.ts)
Would you consider contributing a PR?	Maybe
TypeScript compiler version?	4.6.4
Node.js version (node -v)?	14.8.1