[Security] Update elliptic and jspdf

[billhimmelsbach]

After snyk reported a security vulnerability, we'll need to update two libraries: elliptic and jspdf. These are fairly minor updates, so we'll tackle them together.

This will resolve the following PRs:
#2318
#2317
#2413

The method we'll be using is:

• Search to see if updates to the deps have been tried before, but were blocking changes for some reason in issues, PRs, etc
• Update package.json, run yarn to update the package.lock
• Run e2e tests locally
• Examine where these packages are used and ensure that these updates don't break anything not caught by e2e tests
• If everything looks good, proceed. Otherwise, revise code and chat with @ojbravo
• Deploy changes to Dev via CLI, run e2e tests again and test everything
• Get me admin access to this repo so I can make PRs, label and assign issues, etc.
• Create a PR and merge in the security updates
• Create a github release
• Deploy mLAR changes to Prod via CLI (based on how I understand things currently are working with the caching workaround, these changes won't be visible until a manual deploy is done) - use the same image that's on dev
• Test things out with the team, confirm e2e tests pass (wait till they run automatically or trigger manually)
• 🥳

[billhimmelsbach]

Posting the screenshots from last week's test runs and my little exploration of these deps.

I think these are in line with the expectation that some tests fail usually when on dev environments, but I'll check with @ojbravo today.

e2e tests running on branch with elliptic and jspdf deps updated

e2e tests just running against master