Fix broken link pointing to GitHub Actions
* [Documentation](https://docs.allennlp.org/master/)
* [Contributing Guidelines](CONTRIBUTING.md)
* [Pretrained Models](https://github.com/allenai/allennlp-hub/blob/master/allennlp_hub/pretrained/allennlp_pretrained.py)
-* [Continuous Build](https:/github.com/allenai/allennlp/actions)
+* [Continuous Build](https://github.com/allenai/allennlp/actions)
* [Nightly Releases](https://pypi.org/project/allennlp/#history)
## Package Overview
