MLE-24763 Updating all devDependencies

And not using the caret so we know exactly which version we're using.

Author: rjrudin

CONTRIBUTING.md

@@ -62,3 +62,8 @@ be found in the `Jenkinsfile` file in this repository in the `runE2ETests` funct
 We are using @fastify/busboy because it has a forked copy of dicer that apparently does not 
 have the same high security vulnerability that the 0.3.1 release of dicer has. 
 
+Forcing chalk to 4.1.2. This avoids the compromised 5.6.1 version. And it keeps eslint happy, 
+which requires 4.x and won't work with 5.x.
+
+sanitize-html is in both devDependencies and overrides; the override is needed to force gulp-jsdoc3 to use a 
+non-vulnerable version.