fix y18n-vulnerability

[wlanowski]

It is very important to fix the popular y18n-vulnerability. NPM-Infos: https://www.npmjs.com/advisories/1654
It is a high security purpose.

I fixed it via npm audit fix.

[netlify]

Deploy request for geoguess2 rejected.

Rejected with commit 0aa562f

https://docs.netlify.com/configure-builds/environment-variables/#sensitive-variable-policy

[codecov]

Codecov Report

Merging #172 (0aa562f) into master (76e021f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #172   +/-   ##
=======================================
  Coverage   38.50%   38.50%           
=======================================
  Files          35       35           
  Lines        1153     1153           
  Branches      209      209           
=======================================
  Hits          444      444           
  Misses        703      703           
  Partials        6        6           

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[BilelJegham]

Update vue module from 4.5.11 to 4.5.12