Update @types/dotenv in group backend to the latest version 🚀

[greenkeeper[bot]]

The devDependency [@types/dotenv]() was updated from 6.1.1 to 8.2.0.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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Publisher: types License: MIT

[Find out more about this release]().

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Your Greenkeeper bot :palm_tree:

[codecov-io]

Codecov Report

Merging #70 into nextjs will decrease coverage by 0.33%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           nextjs      #70      +/-   ##
==========================================
- Coverage   53.12%   52.78%   -0.34%     
==========================================
  Files          97       95       -2     
  Lines        1009      987      -22     
  Branches       69       69              
==========================================
- Hits          536      521      -15     
+ Misses        469      462       -7     
  Partials        4        4

Impacted Files	Coverage Δ
.../server/src/modules/database/DatabaseConnection.ts	81.25% <0%> (-2.09%)	:arrow_down:
...c/server/src/modules/database/models/File.Model.ts
...rver/src/modules/database/models/NewsMeta.Model.ts
...c/server/src/modules/database/models/News.Model.ts	69.23% <0%> (+0.48%)	:arrow_up:
src/client/src/components/index/IndexCarousel.tsx	100% <0%> (+100%)	:arrow_up:

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