Adding runs all reporters in CI

[j-catania]

The goal of this evolution is adding examples for all available reporters.

Supported reporters:

• [X] jest-junit
• [X] mocha-json
• [X] swift-xunit
• [X] dart-json
• [X] dotnet-trx
• [X] java-junit
• [x] flutter-json

[j-catania]

Reports can be found in this workflow runs : https://github.com/dorny/test-reporter/actions/workflows/test-all-reports.yml

[j-catania]

@dorny, @jozefizso, what do you think ?

[dorny]

Good idea @j-catania. It will be easy now to see how it looks in the UI. I remember at some point I started using a second private repo for manual tests and to see what the output really looks like. This will be better :)