Add the security check

[owenrumney]

• update the filesystem command to include the security check

[simar7]

We should probably add this to the readme but we need to update package.json with each new feature to have a new release. I forgot about it but added this time manually https://github.com/aquasecurity/trivy-vscode-extension/commit/ef18c3b6b48fcfcb6fb7b165768f921a77fbb1f9