Support IReadOnlyCollection binding for ListValueRetriever

[BL323]

The intent of this change is to support IReadOnlyCollection binding for ListValueRetriever #2497.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue).
• [x] New feature (non-breaking change which adds functionality).
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).
• [ ] Performance improvement
• [ ] Refactoring (so no functional change)
• [ ] Other (docs, build config, etc)

Checklist:

• [x] I've added tests for my code. (most of the time mandatory)
• [x] I have added an entry to the changelog. (mandatory)
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

[SabotageAndi]

Thanks for the PR. The failing build is on me. It has nothing to do with your PR.

[SabotageAndi]

@BL323 could you rebase your PR to the latest master commit? Then the build should run fine. Thanks!

[BL323]

@SabotageAndi all done, looks like the build has passed as well.

[SabotageAndi]

Thanks for your contribution to SpecFlow. Please submit your contributions to our SpecFlow Community Heroes program at https://specflow.org/community/submit-a-contribution/