Bump jquery from 1.12.4 to 3.4.1 in /hackathon
Bump jquery from 1.12.4 to 3.4.1 in /hackathon

Bumps [jquery](https://github.com/jquery/jquery) from 1.12.4 to 3.4.1.
- [Release notes](https://github.com/jquery/jquery/releases)
- [Commits](https://github.com/jquery/jquery/compare/1.12.4...3.4.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
oaktoncsclub/oaktoncsclub.github.io,oaktoncsclub/oaktoncsclub.github.io,oaktoncsclub/oaktoncsclub.github.io,oaktoncsclub/oaktoncsclub.github.io