Bump submodules/openssl from 3638fd4 to 6d4b760 (#5148)

Bumps [submodules/openssl](https://github.com/openssl/openssl) from `3638fd4` to `6d4b760`.
- [Release notes](https://github.com/openssl/openssl/releases)
- [Commits](openssl/openssl@3638fd4...6d4b760)

---
updated-dependencies:
- dependency-name: submodules/openssl
  dependency-version: 6d4b760d3d94da728cc298ed146a8cc37e118d2e
  dependency-type: direct:production
...

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