[Nix] Use openssl 1.1 for nodejs

Summary:
Force nodejs-16_x to use openssl 1.1 to preserve legacy openssl
behavior.

https://linear.app/comm/issue/ENG-2029/

Test Plan:

nix develop
yarn cleaninstall # might be optional
cd landing
yarn prod

Reviewers: abosh, atul, varun, ashoat, rohan, O1 Nix

Reviewed By: atul, ashoat, rohan, O1 Nix

Subscribers: tomek

Differential Revision: https://phab.comm.dev/D5356