Bump third_party/open-source-pdks from `f84e185` to `6658edd`

Bumps [third_party/open-source-pdks](https://github.com/google/open-source-pdks) from `f84e185` to `6658edd`.
- [Release notes](https://github.com/google/open-source-pdks/releases)
- [Commits](https://github.com/google/open-source-pdks/compare/f84e1859e175ede0fdec3194ed8d131811959288...6658edd208f5b566be504f016477a7cb04a78cb8)

---
updated-dependencies:
- dependency-name: third_party/open-source-pdks
  dependency-type: direct:production
...

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