Update prettierx

[LeviPesin]

Please update prettierx version used.

The current one produces the following issues:

npm WARN deprecated flatten@1.0.3: flatten is deprecated in favor of utility frameworks such as lodash.

minimist  <1.2.6
Severity: critical
Prototype Pollution in minimist - https://github.com/advisories/GHSA-xvch-5gv4-984h
fix available via `npm audit fix --force`
Will install prettier-plugin-x@0.0.9, which is a breaking change
node_modules/@prettier-x/formatter-2021-01/node_modules/minimist
  @prettier-x/formatter-2021-01  *
  Depends on vulnerable versions of minimist
  Depends on vulnerable versions of remark-math
  node_modules/@prettier-x/formatter-2021-01
    x-formatter  >=0.0.2
    Depends on vulnerable versions of @prettier-x/formatter-2021-01
    node_modules/x-formatter