[Snyk] Security upgrade express from 4.16.4 to 4.19.2#19

codingChewie wants to merge 1 commit intomasterprogrammingmonkeys/node-unit-testing-in-depth:masterfrom

snyk-fix-ab3ac9fbd18e5463e0cd8d3c5edfb8aeprogrammingmonkeys/node-unit-testing-in-depth:snyk-fix-ab3ac9fbd18e5463e0cd8d3c5edfb8aeCopy head branch name to clipboard