Fix version for snakemake_vrappers.

Version numbers should be strings.

requirements.txt

@@ -45,5 +45,5 @@ scikit-learn==0.23.2
 scipy==1.5.2
 seaborn==0.11.0
 snakemake==5.24.2
-snakemake-wrappers @ git+https://gitlab.pasteur.fr/bli/snakemake_wrappers.git@21f095c38ce689f1fde3a46bb3fda1dd6b7d3e12
+snakemake-wrappers @ git+https://gitlab.pasteur.fr/bli/snakemake_wrappers.git@b8846abbaa5377d188570b5a48d14bde424d47d9
 tabulate==0.8.7

snakemake_wrappers @ b8846abb

-Subproject commit 21f095c38ce689f1fde3a46bb3fda1dd6b7d3e12
+Subproject commit b8846abbaa5377d188570b5a48d14bde424d47d9