improve workflow logic for `fastq_align_dedup_bismark` #17386

Job	Run time
pytest-changes	5s
pytest-changes	5s
pre-commit	39s
pre-commit	39s
editorconfig	11s
editorconfig	11s
nf-test-changes	28s
nf-test-changes	28s
prettier	29s
prettier	29s
pytest	0s
pytest	0s
nf-core-lint-modules (fastq_align_dedup_bismark)	42s
nf-core-lint-modules (fastq_align_dedup_bismark)	42s
nf-test-gpu	0s
nf-test-gpu	0s
nf-core-lint-modules	0s
nf-core-lint-modules	0s
nf-test (subworkflows/nf-core/fastq_align_dedup_bismark, conda)	14m 34s
nf-test (subworkflows/nf-core/fastq_align_dedup_bismark, conda)	14m 34s
nf-test (subworkflows/nf-core/fastq_align_dedup_bismark, docker_self_hosted)	8m 37s
nf-test (subworkflows/nf-core/fastq_align_dedup_bismark, docker_self_hosted)	8m 29s
nf-test (subworkflows/nf-core/fastq_align_dedup_bismark, singularity)	1s
nf-test (subworkflows/nf-core/fastq_align_dedup_bismark, singularity)	8m 10s
confirm-pass	1s
confirm-pass	1s
	59m 35s

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