Bump Dependencies

[github-actions[bot]]

> [email protected] bumpdependencies
> ncu --upgrade --reject bootstrap

Default stdin handling is deprecated. Please add the --stdin option.
Upgrading /home/runner/work/ungit/ungit/package.json

 @primer/octicons               ~17.3.0  →  ~17.4.1     
 diff2html                      ~3.4.17  →  ~3.4.18     
 jquery-ui                      ~1.13.1  →  ~1.13.2     
 @homer0/prettier-plugin-jsdoc   ~5.1.2  →   ~5.1.4     
 electron                       ~19.0.8  →  ~20.0.2     
 eslint                         ~8.19.0  →  ~8.21.0     
 eslint-plugin-mocha            ~10.0.5  →  ~10.1.0     
 npm-check-updates              ~15.2.6  →  ~16.0.5     
 portfinder                     ~1.0.28  →  ~1.0.32     
 puppeteer                      ~15.3.2  →  ~16.1.0     

Run npm install to install new versions.