Add some dependencies for uploading artifacts

.github/workflows/script/check-node-modules.sh

@@ -14,7 +14,7 @@ npm run removeNPMAbsolutePaths
 # Check that repo is still clean
 if [ ! -z "$(git status --porcelain)" ]; then
     # If we get a fail here then the PR needs attention
-    >&2 echo "Failed: node_modules are not up to date. Run 'npm ci' and 'npm run removeNPMAbsolutePaths' to update"
+    >&2 echo "Failed: node_modules are not up to date. Run 'npm ci && npm run removeNPMAbsolutePaths' on a macOS machine to update. Note it is important this command is run on macOS and not any other operating system as there is one dependency (fsevents) that is needed for macOS and may not be installed if the command is run on a Windows or Linux machine."
     git status
     exit 1
 fi

CONTRIBUTING.md

@@ -12,7 +12,7 @@ Please note that this project is released with a [Contributor Code of Conduct][c
 
 ## Development and Testing
 
-Before you start, ensure that you have a recent version of node installed. You can see which version of node is used by the action in `init/action.yml`.
+Before you start, ensure that you have a recent version of node (14 or higher) installed, along with a recent version of npm (7 or higher). You can see which version of node is used by the action in `init/action.yml`.
 
 ### Common tasks
 
@@ -28,7 +28,7 @@ You may want to run `tsc --watch` from the command line or inside of vscode in o
 
 Because CodeQL Action users consume the code directly from this repository, and there can be no build step during an GitHub Actions run, this repository contains all compiled artifacts and node modules. There is a PR check that will fail if any of the compiled artifacts are not up to date. Compiled artifacts are stored in the `lib/` directory. For all day-to-day development purposes, this folder can be ignored.
 
-Only run `npm install` if you are explicitly changing the set of dependencies in `package.json`. The `node_modules` directory should be up to date when you check out, but if for some reason, there is an inconsistency use `npm ci && npm run removeNPMAbsolutePaths` to ensure the directory is in a state consistent with the `package-lock.json`. There is a PR check to ensure the consistency of the `node_modules` directory.
+Only run `npm install` if you are explicitly changing the set of dependencies in `package.json`. The `node_modules` directory should be up to date when you check out, but if for some reason, there is an inconsistency use `npm ci && npm run removeNPMAbsolutePaths` to ensure the directory is in a state consistent with the `package-lock.json`. Note that due to a macOS-specific dependency, this command should be run on a macOS machine. There is a PR check to ensure the consistency of the `node_modules` directory.
 
 ### Running the action