Update environment.yml

Author: joachimwolff

environment.yml

@@ -9,9 +9,9 @@ dependencies:
     - numpy >=1.16
     - matplotlib =3.1.1
     - intervaltree >=2.1.0
-    - pybigwig >=0.3.4
+    - pybigwig >=0.3.16
     - future >=0.17.0
-    - hicmatrix >=9
+    - hicmatrix >=12
     - pysam >=0.14
     - pytest
     - gffutils >=0.9