Update HELM URL (stanford-crfm#1428)

Author: YianZhang

README.md

@@ -4,7 +4,7 @@
 [comment]: <> (When using the img tag, which allows us to specify size, src has to be a URL.)
 <img src="https://github.com/stanford-crfm/helm/raw/main/src/helm/benchmark/static/images/helm-logo.png" alt=""  width="800"/>
 
-Welcome! The **`crfm-helm`** Python package contains code used in the **Holistic Evaluation of Language Models** project ([paper](https://arxiv.org/abs/2211.09110), [website](https://crfm.stanford.edu/helm/v1.0/)) by [Stanford CRFM](https://crfm.stanford.edu/). This package includes the following features:
+Welcome! The **`crfm-helm`** Python package contains code used in the **Holistic Evaluation of Language Models** project ([paper](https://arxiv.org/abs/2211.09110), [website](https://crfm.stanford.edu/helm/latest/)) by [Stanford CRFM](https://crfm.stanford.edu/). This package includes the following features:
 
 - Collection of datasets in a standard format (e.g., NaturalQuestions)
 - Collection of models accessible via a unified API (e.g., GPT-3, MT-NLG, OPT, BLOOM)