Bump Dependencies

[github-actions]

> ungit@1.5.14 bumpdependencies /home/runner/work/ungit/ungit
> ncu --upgrade --reject bootstrap

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

 @primer/octicons        ~11.1.0  →  ~11.2.0     
 diff2html               ~3.1.15  →  ~3.1.18     
 socket.io                ~3.0.3  →   ~3.0.4     
 yargs                   ~16.1.1  →  ~16.2.0     
 electron                ~11.0.3  →  ~11.1.1     
 eslint                  ~7.15.0  →  ~7.16.0     
 eslint-config-prettier  ~6.15.0  →   ~7.1.0     
 eslint-plugin-prettier   ~3.2.0  →   ~3.3.0     
 less                    ~3.12.2  →   ~4.0.0     
 npm-check-updates       ~10.2.2  →  ~10.2.5     

Run npm install to install new versions.