bug: fastembed 0.4.1 broke our build, please lock it to 0.4.0

[DixitAdh]

Did you check docs and existing issues?

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• I have updated the package to the latest version before submitting this issue
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Python version (python --version)

Python 3.10.12

Operating system/version

Databricks model serving

NeMo-Guardrails version (if you must use a specific version and not the latest

0.10.0

Describe the bug

I noticed you are using fastembed>=0.2.2 dependency, they have recently release a new version 0.4.1 in which they have added py-rust-stemmers = "^0.1.0" https://github.com/qdrant/fastembed/commits/main/pyproject.toml this py-rust-stemmers is failing the build with the below error.

× Preparing metadata (pyproject.toml) did not run successfully.
#15 139.9   │ exit code: 1
#15 139.9   ╰─> [6 lines of output]
#15 139.9       
#15 139.9       Cargo, the Rust package manager, is not installed or is not on PATH.
#15 139.9       This package requires Rust and Cargo to compile extensions. Install it through
#15 139.9       the system's package manager or via https://rustup.rs/
#15 139.9       
#15 139.9       Checking for Rust toolchain....
#15 139.9       [end of output]
#15 139.9   
#15 139.9   note: This error originates from a subprocess, and is likely not a problem with pip.
#15 139.9 error: metadata-generation-failed
#15 139.9 
#15 139.9 × Encountered error while generating package metadata.
#15 139.9 ╰─> See above for output.
#15 139.9 
#15 139.9 note: This is an issue with the package mentioned above, not pip.
#15 139.9 hint: See above for details.
#15 139.9 

To fix this i have to install the fastembed==0.3.6 and lock it in my requirements.txt before installing nemoguardrails

Steps To Reproduce

qdrant/fastembed#366 (comment)

Expected Behavior

It is should install fastembed==0.4.0 if you want the latest working version

Actual Behavior

Build failing due to py-rust-stemmer package

[Pouyanpi]

Thank you @DixitAdh for reporting this. We'll do as suggested 👍🏻