Drop Python 3.8 support #3069

Job	Run time
test (python=3.9 biopython=1.80)	12m 43s
check-docs	38s
test (python=3.9 biopython=1.82)	12m 57s
mypy	46s
pathogen-repo-ci (dengue)	2m 43s
test (python=3.9 biopython=latest)	13m 16s
pathogen-repo-ci (lassa)	5m 56s
test (python=3.10 biopython=1.80)	12m 39s
pathogen-repo-ci (measles)	1m 19s
pyright	16s
test (python=3.10 biopython=1.82)	12m 34s
pathogen-repo-ci-v0 (avian-flu)	1m 0s
pathogen-repo-ci (mpox)	1m 14s
test (python=3.10 biopython=latest)	12m 32s
pathogen-repo-ci-v0 (ebola)	55s
pathogen-repo-ci (seasonal-cov)	1m 49s
test (python=3.11 biopython=1.80)	12m 53s
pathogen-repo-ci (zika)	56s
test (python=3.11 biopython=1.82)	12m 28s
pathogen-repo-ci-v0 (mumps)	1m 0s
test (python=3.11 biopython=latest)	12m 39s
pathogen-repo-ci-v0 (ncov)	1m 7s
test (python=3.12 biopython=1.82)	21m 44s
pathogen-repo-ci-v0 (rsv)	8m 37s
test (python=3.12 biopython=latest)	19m 7s
pathogen-repo-ci-v0 (seasonal-flu)	1m 13s
pathogen-repo-ci-v0 (tb)	1m 15s
build-docs / build	2m 15s
codecov	14s
release	0s
rebuild-docker-image	0s
	3h 8m 45s

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