pin scikit-allel, manually install pulp

requirements.txt

@@ -1,7 +1,7 @@
-snakemake==7.20.0
+snakemake==7.32.4
+pulp==2.3.1 # needed for snakemake
 pandas==1.5.3
 numba==0.56.4
-numpy==1.23.5
 matplotlib==3.6.3
 scikit-learn==1.2.1
 pandera==0.13.4
@@ -10,8 +10,8 @@ pytest==7.2.1
 openpyxl==3.1.0
 SigProfilerExtractor==1.1.21
 scikit-bio==0.5.8
-bx-python==0.9.0
+bx-python==0.10.0
 pyfaidx==0.7.2.1
 statannotations==0.5.0
 cyvcf2==0.30.18
-scikit-allel==1.3.3
+scikit-allel==1.2.1