bugfix: Don't add single files to classpath #3469

Job	Run time
Build integrations tests (ubuntu-latest)	4m 59s
Build integrations tests (ubuntu-latest)	4m 59s
Build integrations tests (macOS-13)	9m 37s
Build integrations tests (macOS-13)	9m 37s
Formatting	23s
Formatting	23s
Test ubuntu-latest -- 22.3.0	13m 32s
Test ubuntu-latest -- 22.3.0	15m 21s
Test ubuntu-latest -- 17	15m 6s
Test ubuntu-latest -- 17	15m 6s
Test windows-latest -- 22.3.0	20m 24s
Test windows-latest -- 22.3.0	21m 34s
Publish binaries for ${{ matrix.os }}	0s
Publish binaries for ${{ matrix.os }}	0s
Test windows-latest -- 17	21m 10s
Test windows-latest -- 17	21m 10s
Test macOS-13 -- 22.3.0	24m 6s
Test macOS-13 -- 22.3.0	24m 6s
Test macOS-13 -- 17	29m 30s
Test macOS-13 -- 17	29m 30s
Test macOS-14 -- 22.3.0	18m 50s
Test macOS-14 -- 22.3.0	18m 50s
Test macOS-14 -- 17	16m 2s
Test macOS-14 -- 17	16m 2s
Release version on ${{ matrix.os }}	0s
Release version on ${{ matrix.os }}	0s
	5h 50m 17s

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