updated ProQuest link as suggested in PR

Author: RobJY

docs/hpc/04_datasets/01_intro.md

@@ -100,7 +100,7 @@ Please contact Megan Brown at [The Center for Social Media & Politics](https://c
 -   `/scratch/work/twitter_decahose/`
 
 ### ProQuest Congressional Record
-About data set: [ProQuest Congressional Record](https://about.proquest.com/en/products-services/ProQuest-Congressional-Record-Digital-Collection/)
+About data set: [ProQuest Congressional Record](https://guides.nyu.edu/govdocs/congressional#s-lg-box-14137380)
 
 The ProQuest Congressional Record text-as-data collection consists of machine-readable files capturing the full text and a small number of metadata fields for a full run of the Congressional Record between 1789 and 2005. Metadata fields include the date of publication, subjects (for issues for which such information exists in the ProQuest system), and URLs linking the full text to the canonical online record for that issue on the ProQuest Congressional platform. A total of 31,952 issues are available.