Merge pull request #354 from wneessen/test_close_on_nil #63

Job	Run time
Test with Codecov coverage (ubuntu-latest / 1.23)	54s
golangci-lint (1.23)	31s
Go vulnerabilities check	18s
REUSE Compliance Check	18s
Dependency review	14s
Test with SonarQube review (ubuntu-latest / 1.23)	1m 32s
Test on FreeBSD 13.4'	2m 8s
Test on FreeBSD 14.0	2m 29s
Test on FreeBSD 14.1	2m 25s
Test (macos-latest / 1.19)	44s
Test (macos-latest / 1.20)	37s
Test (macos-latest / 1.21)	20s
Test (macos-latest / 1.22)	21s
Test (macos-latest / 1.23)	21s
Test (ubuntu-latest / 1.19)	29s
Test (ubuntu-latest / 1.20)	27s
Test (ubuntu-latest / 1.21)	29s
Test (ubuntu-latest / 1.22)	24s
Test (ubuntu-latest / 1.23)	24s
Test (windows-latest / 1.19)	1m 13s
Test (windows-latest / 1.21)	2m 11s
Test (windows-latest / 1.20)	2m 14s
Test (windows-latest / 1.22)	2m 24s
Test (windows-latest / 1.23)	45s
	24m 12s

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