[pgadmin-org/pgadmin4] cc9297: Upgrade yarn when running JS test Github action

[Aditya Toshniwal]

  Branch: refs/heads/master
  Home:   https://github.com/pgadmin-org/pgadmin4
  Commit: cc9297327b3a128130612f98c30bd8894955158b
      
https://github.com/pgadmin-org/pgadmin4/commit/cc9297327b3a128130612f98c30bd8894955158b
  Author: Aditya Toshniwal <aditya.toshni...@enterprisedb.com>
  Date:   2023-04-25 (Tue, 25 Apr 2023)

  Changed paths:
    M .github/workflows/run-javascript-tests.yml

  Log Message:
  -----------
  Upgrade yarn when running JS test Github action