Conan Requirement is (>=1.60.0 <2 || >=2.0.5) | Rippled 2.1.0

[enriquemanuel]

Issue Description

The instructions to build Rippled state that it should need 1.55, but using 1.56 wont work, and the new GRPC binary requires a higher Conan.
Docs in the build need changing for the conan version

Steps to Reproduce

1. docker run -it -v $HOME/Downloads:/mnt thejohnfreeman/rippled-build-ubuntu:12e19cd9034b
2. git clone -b 2.1.0 --progress https://github.com/XRPLF/rippled
3. cd rippled
4. mkdir .build && cd .build
5. conan profile new default --detect
6. conan profile update settings.compiler.cppstd=20 default
7. conan install .. --output-folder . --build missing --settings build_type=Release
   Failure:

1.631 grpc/1.50.1: Downloaded recipe revision 0
1.647 ERROR: grpc/1.50.1: Cannot load recipe.
1.647 Error loading conanfile at '/root/.conan/data/grpc/1.50.1/_/_/export/conanfile.py': Current Conan version (1.56.0) does not satisfy the defined one (>=1.60.0 <2 || >=2.0.5).
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Dockerfile:124

Expected Result

Actual ripple would build a release

Actual Result

Got an error due to a depenency from a conanfile that requires 1.60 or higher

Environment

Ubuntu 22, Dockerized

Thanks

Thanks to @thejohnfreeman for his amazing container! second time using it and it works flawlessly. I actually downloaded the repo and changed the version of conan to 1.60 conan_version=${CONAN_VERSION:-1.63} and it worked without any issues. Conan 2.1.0 doesn't work.

[thejohnfreeman]

I don't think any Conan 2.x will work. We should change the documentation to state the Conan requirement is >=1.60 <2.