Bump deps/curl from b4d73e6 to 2d6fb0f

Bumps [deps/curl](https://github.com/curl/curl) from `b4d73e6` to `2d6fb0f`.
- [Release notes](https://github.com/curl/curl/releases)
- [Commits](curl/curl@b4d73e6...2d6fb0f)

---
updated-dependencies:
- dependency-name: deps/curl
  dependency-type: direct:production
...

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