Bump Dependencies

[github-actions[bot]]

> ungit@1.5.7 bumpdependencies /home/runner/work/ungit/ungit
> ncu --upgrade

Upgrading /home/runner/work/ungit/ungit/package.json

 @primer/octicons         ~9.6.0  →  ~10.0.0 
 blueimp-md5             ~2.14.0  →  ~2.16.0 
 diff2html                ~3.1.6  →   ~3.1.8 
 getmac                   ~5.2.0  →   ~5.7.0 
 ignore                   ~5.1.4  →   ~5.1.8 
 moment                  ~2.25.3  →  ~2.26.0 
 node-cache               ~5.1.0  →   ~5.1.1 
 open                     ~7.0.3  →   ~7.0.4 
 electron                 ~8.2.5  →   ~9.0.4 
 eslint                   ~7.0.0  →   ~7.2.0 
 eslint-plugin-mocha      ^6.3.0  →   ^7.0.1 
 eslint-plugin-prettier   ~3.1.3  →   ~3.1.4 
 less                    ~3.11.1  →  ~3.11.3 
 mocha                    ~7.1.2  →   ~8.0.1 
 npm-check-updates        ~6.0.1  →   ~7.0.1 
 nyc                     ~15.0.1  →  ~15.1.0 
 puppeteer                ~3.0.4  →   ~3.3.0 

Run npm install to install new versions.