[Guice] Automatically detect InjectorSource

[PostelnicuGeorge]

Is your pull request related to a problem? Please describe.
Implementation of #2278

[codecov]

Codecov Report

Merging #2432 (8e8a287) into main (e8fbb0f) will increase coverage by 0.03%.
The diff coverage is 90.90%.

@@             Coverage Diff              @@
##               main    #2432      +/-   ##
============================================
+ Coverage     83.67%   83.70%   +0.03%     
- Complexity     2648     2666      +18     
============================================
  Files           317      319       +2     
  Lines          9349     9392      +43     
  Branches        907      909       +2     
============================================
+ Hits           7823     7862      +39     
- Misses         1192     1193       +1     
- Partials        334      337       +3     

Impacted Files	Coverage Δ
.../java/io/cucumber/guice/InjectorSourceFactory.java	86.95% <83.33%> (-13.05%)	⬇️
.../src/main/java/io/cucumber/guice/GuiceFactory.java	92.85% <90.00%> (+1.94%)	⬆️
.../src/main/java/io/cucumber/guice/GuiceBackend.java	100.00% <100.00%> (ø)
...io/cucumber/guice/GuiceBackendProviderService.java	100.00% <100.00%> (ø)

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[PostelnicuGeorge]

I have finished the tests and implementation, can I get advice on how to fix the java.class.externalClassExposedInAPI: interface io.cucumber.core.backend.Backend: A class from supplementary archives is used in a public capacity in the API. [io.cucumber:cucumber-core:jar:7.1.0-SNAPSHOT] errors from Test (Semver check) build step?

[mpkorstanje]

Cheers again!