chore: Add support for Visual Studio 2019

[ciband]

Updated CMakeSettings.json to support Visual Studio 2019 compilers and schema.

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)

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[codecov-io]

Codecov Report

Merging #134 into develop will decrease coverage by 0.4%.
The diff coverage is 82.35%.

@@             Coverage Diff             @@
##           develop     #134      +/-   ##
===========================================
- Coverage    91.82%   91.41%   -0.41%     
===========================================
  Files           33       30       -3     
  Lines          856      874      +18     
===========================================
+ Hits           786      799      +13     
- Misses          70       75       +5

Impacted Files	Coverage Δ
src/include/cpp-crypto/transactions/transaction.h	66.66% <ø> (ø)	⬆️
src/transactions/transaction.cpp	89.41% <100%> (-0.12%)	⬇️
src/transactions/builder.cpp	76.81% <81.25%> (-0.34%)	⬇️
src/include/cpp-crypto/common/network.hpp	25% <0%> (-75%)	⬇️
src/managers/fee_manager.cpp	88.88% <0%> (-11.12%)	⬇️
src/transactions/deserializer.cpp	88% <0%> (-0.39%)	⬇️
src/include/cpp-crypto/common/configuration.hpp	100% <0%> (ø)	⬆️
src/common/network.cpp	100% <0%> (ø)	⬆️
... and 34 more

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