bumped dependencies

requirements.txt

@@ -1,30 +1,30 @@
-wheel~=0.35.1
-setuptools~=50.3.2
-numpy~=1.19.4
+wheel~=0.36.2
+setuptools~=51.1.2
+numpy~=1.19.5
 jsonschema~=3.2.0
-pandas~=1.1.4
+pandas~=1.2.0
 networkx~=2.5
-lxml~=4.6.1
-requests~=2.24.0
+lxml~=4.6.2
+requests~=2.25.1
 iso8601~=0.1.13
-chardet~=3.0.4
+chardet~=4.0.0
 jinja2~=2.11.2
 beautifulsoup4~=4.9.3
 mzml2isa==1.0.3
 #-e git+http://github.com/ISA-tools/mzml2isa@5866b3e8e185ddbb3b784e4d6a2ef6fbbcfcb256#egg=mzml2isa
 #-e git+http://github.com/ISA-tools/isa-api@4e38b09abac60c6acb787169e6eaeac0ac35c1ae#egg=isatools
 biopython~=1.78
 progressbar2~=3.53.1
-deepdiff~=5.0.2
+deepdiff~=5.2.1
 PyYAML~=5.3.1
 bokeh~=2.2.3
 # test dependencies
 # tox==3.14.0
 # nose==1.3.7
-certifi==2020.11.8
+certifi==2020.12.5
 flake8==3.8.4
 ddt==1.4.1
 behave==1.2.6
-httpretty==1.0.2
+httpretty==1.0.5
 sure==1.4.11
-coveralls~=2.1.2
+coveralls~=3.0.0