io.metadata: Fix newline handling when reading CSV/TSV #2670

Job	Run time
pyright	14s
pathogen-repo-ci (dengue)	2m 43s
pathogen-repo-ci (measles)	1m 13s
check-docs	47s
pathogen-repo-ci (mpox)	1m 14s
mypy	52s
pathogen-repo-ci-v0 (avian-flu)	51s
pathogen-repo-ci (seasonal-cov)	1m 42s
pathogen-repo-ci-v0 (ebola)	53s
pathogen-repo-ci (zika)	1m 8s
pathogen-repo-ci-v0 (lassa)	51s
test (python=3.8 biopython=1.80)	10m 5s
pathogen-repo-ci-v0 (mumps)	1m 1s
test (python=3.8 biopython=latest)	10m 3s
test (python=3.9 biopython=1.80)	11m 10s
pathogen-repo-ci-v0 (ncov)	1m 4s
test (python=3.9 biopython=latest)	11m 2s
pathogen-repo-ci-v0 (rsv)	8m 47s
test (python=3.10 biopython=1.80)	10m 22s
test (python=3.10 biopython=latest)	11m 21s
pathogen-repo-ci-v0 (seasonal-flu)	1m 16s
test (python=3.11 biopython=1.80)	10m 53s
pathogen-repo-ci-v0 (tb)	1m 25s
test (python=3.11 biopython=latest)	10m 28s
build-docs / build-conda	0s
build-docs / build-pip	1m 2s
codecov	22s
	1h 52m 49s

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