[feature] Test against all supported TargetFrameworks

[coveralls]

Pull Request Test Coverage Report for Build 5171149508

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 263 of 282 (93.26%) changed or added relevant lines in 7 files are covered.
• 6 unchanged lines in 6 files lost coverage.
• Overall coverage increased (+1.8%) to 61.43%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
Sources/OpenDDSharp.Standard/DDS/DataWriterListener.cs	30	32	93.75%
Sources/OpenDDSharp.Standard/DDS/DomainParticipantListener.cs	76	78	97.44%
Sources/OpenDDSharp.Standard/DDS/PublisherListener.cs	31	33	93.94%
Sources/OpenDDSharp.Standard/DDS/SubscriberListener.cs	51	53	96.23%
Sources/OpenDDSharp.Standard/DDS/TopicListener.cs	15	17	88.24%
Sources/OpenDDSharp.Standard/DDS/DataReaderListener.cs	59	68	86.76%
<!--	Total:	263	282	93.26%	-->

Files with Coverage Reduction	New Missed Lines	%
Sources/OpenDDSharp.Standard/DDS/DataReaderListener.cs	1	86.73%
Sources/OpenDDSharp.Standard/DDS/DataWriterListener.cs	1	94.85%
Sources/OpenDDSharp.Standard/DDS/DomainParticipantListener.cs	1	98.15%
Sources/OpenDDSharp.Standard/DDS/PublisherListener.cs	1	94.9%
Sources/OpenDDSharp.Standard/DDS/SubscriberListener.cs	1	97.13%
Sources/OpenDDSharp.Standard/DDS/TopicListener.cs	1	86.84%
<!--	Total:	6		-->

Totals
Change from base Build 5109937581:	1.8%
Covered Lines:	6297
Relevant Lines:	8476

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💛 - Coveralls