chore(deps): upgrade vm2 to 3.8.4

[faustbrian]

3.8.4 includes various fixes for ways to break out of the VM.

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactor
• Performance
• Tests
• Build
• Documentation
• Code style update
• Continuous Integration
• Other, please describe:

Does this PR introduce a breaking change?

• Yes
• No

Does this PR release a new version?

• Yes
• No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

• It's submitted to the develop branch, not the master branch
• All tests are passing
• New/updated tests are included

If adding a new feature, the PR's description includes:

• A convincing reason for adding this feature (to avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it)

[codecov-io]

Codecov Report

Merging #1456 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1456   +/-   ##
========================================
  Coverage    40.75%   40.75%           
========================================
  Files          237      237           
  Lines         6547     6547           
  Branches      1292     1299    +7     
========================================
  Hits          2668     2668           
+ Misses        3635     3634    -1     
- Partials       244      245    +1

Impacted Files	Coverage Δ
src/renderer/components/Network/NetworkModal.vue	41.66% <0%> (ø)	⬆️

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