fix: Removed net6/net7. #129

Job	Run time
Build, test and publish (ubuntu-latest, false) / Build, test and publish	1m 13s
Build, test and publish (ubuntu-latest, false) / Build, test and publish	1m 13s
Build, test and publish (ubuntu-latest, false) / Build, test and publish	1m 13s
Build, test and publish (ubuntu-latest, false) / Build, test and publish	1m 10s
Build, test and publish (ubuntu-latest, false) / Build, test and publish	1m 10s
Build, test and publish (ubuntu-latest, false) / Build, test and publish	1m 10s
Build, test and publish (windows-latest, true) / Build, test and publish	2m 44s
Build, test and publish (windows-latest, true) / Build, test and publish	2m 38s
Build, test and publish (windows-latest, true) / Build, test and publish	3m 6s
Build, test and publish (windows-latest, true) / Build, test and publish	2m 56s
Build, test and publish (windows-latest, true) / Build, test and publish	3m 17s
Build, test and publish (windows-latest, true) / Build, test and publish	3m 3s
Build, test and publish (macos-latest, false) / Build, test and publish	1m 2s
Build, test and publish (macos-latest, false) / Build, test and publish	1m 2s
Build, test and publish (macos-latest, false) / Build, test and publish	1m 2s
Build, test and publish (macos-latest, false) / Build, test and publish	1m 0s
Build, test and publish (macos-latest, false) / Build, test and publish	1m 0s
Build, test and publish (macos-latest, false) / Build, test and publish	1m 0s
	30m 59s

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