add up-to-date requirements

requirements.txt

+absl-py==0.12.0
+appnope==0.1.2
+argon2-cffi==20.1.0
+astor==0.8.1
+astunparse==1.6.3
+async-generator==1.10
+attrs==21.2.0
+backcall==0.2.0
+bleach==3.3.1
+cached-property @ file:///tmp/build/80754af9/cached-property_1600785575025/work
+cachetools==4.2.2
+category-encoders @ file:///home/conda/feedstock_root/build_artifacts/category_encoders_1588199510095/work/dist
+certifi==2021.5.30
+cffi==1.14.6
+charset-normalizer==2.0.3
+cloudpickle==1.6.0
+coverage @ file:///opt/concourse/worker/volumes/live/4f1a5e30-f675-4496-6570-bc6669a34f2a/volume/coverage_1614614860186/work
+cycler==0.10.0
+Cython @ file:///opt/concourse/worker/volumes/live/432fe198-1725-458b-4530-7523a5e3de1a/volume/cython_1626256963932/work
+debugpy==1.4.1
+decorator==5.0.9
+defusedxml==0.7.1
+dill==0.3.4
+dm-tree==0.1.6
+entrypoints==0.3
+flatbuffers==1.12
+future==0.18.2
+gast==0.4.0
+google-auth==1.33.1
+google-auth-oauthlib==0.4.4
+google-pasta==0.2.0
+googleapis-common-protos==1.53.0
+grpcio==1.34.1
+h5py==3.1.0
+idna==3.2
+importlib-metadata @ file:///opt/concourse/worker/volumes/live/4e25a0be-45cc-4b73-4314-4604f00e30a4/volume/importlib-metadata_1617877365451/work
+importlib-resources==5.2.2
+ipykernel==6.0.3
+ipython==7.25.0
+ipython-genutils==0.2.0
+ipywidgets==7.6.3
+jedi==0.18.0
+Jinja2==3.0.1
+joblib @ file:///home/conda/feedstock_root/build_artifacts/joblib_1612898609989/work
+jsonschema==3.2.0
+jupyter==1.0.0
+jupyter-client==6.1.12
+jupyter-console==6.4.0
+jupyter-core==4.7.1
+jupyterlab-pygments==0.1.2
+jupyterlab-widgets==1.0.0
+Keras==2.3.1
+Keras-Applications @ file:///tmp/build/80754af9/keras-applications_1594366238411/work
+keras-nightly==2.5.0.dev2021032900
+Keras-Preprocessing @ file:///tmp/build/80754af9/keras-preprocessing_1612283640596/work
+kiwisolver==1.3.1
+Markdown @ file:///opt/concourse/worker/volumes/live/255f8945-2411-4469-7c82-a749af3aef33/volume/markdown_1614363822772/work
+MarkupSafe==2.0.1
+matplotlib==3.4.2
+matplotlib-inline==0.1.2
+mistune==0.8.4
+mkl-fft==1.3.0
+mkl-random @ file:///opt/concourse/worker/volumes/live/133f1d0b-8fd8-4fa0-679e-7214401cbd75/volume/mkl_random_1626186083386/work
+mkl-service==2.4.0
+nbclient==0.5.3
+nbconvert==6.1.0
+nbformat==5.1.3
+nest-asyncio==1.5.1
+notebook==6.4.0
+numpy==1.19.5
+oauthlib==3.1.1
+opt-einsum @ file:///tmp/build/80754af9/opt_einsum_1621500238896/work
+packaging==21.0
+pandas==1.3.3
+pandocfilters==1.4.3
+parso==0.8.2
+patsy @ file:///home/conda/feedstock_root/build_artifacts/patsy_1632667180946/work
+pexpect==4.8.0
+pickleshare==0.7.5
+Pillow==8.3.1
+prometheus-client==0.11.0
+promise==2.3
+prompt-toolkit==3.0.19
+protobuf==3.17.2
+ptyprocess==0.7.0
+pyasn1==0.4.8
+pyasn1-modules==0.2.8
+pycparser==2.20
+Pygments==2.9.0
+pyparsing==2.4.7
+pyrsistent==0.18.0
+python-dateutil @ file:///home/conda/feedstock_root/build_artifacts/python-dateutil_1626286286081/work
+pytz @ file:///home/conda/feedstock_root/build_artifacts/pytz_1612179539967/work
+PyYAML==5.4.1
+pyzmq==22.1.0
+qtconsole==5.1.1
+QtPy==1.9.0
+requests==2.26.0
+requests-oauthlib==1.3.0
+rsa==4.7.2
+scikit-learn @ file:///opt/concourse/worker/volumes/live/f0bd346e-3899-4f7a-66d4-2d56daf61c92/volume/scikit-learn_1621370395459/work
+scipy @ file:///opt/concourse/worker/volumes/live/a038d231-fbb5-4cf5-6b71-513b1c94ddce/volume/scipy_1618855950518/work
+seaborn==0.11.2
+Send2Trash==1.7.1
+six==1.15.0
+sklearn==0.0
+statsmodels @ file:///Users/runner/miniforge3/conda-bld/statsmodels_1630699966405/work
+tensorboard==2.5.0
+tensorboard-data-server==0.6.1
+tensorboard-plugin-wit==1.8.0
+tensorflow==2.5.0
+tensorflow-datasets==4.4.0
+tensorflow-estimator==2.5.0
+tensorflow-metadata==1.2.0
+tensorflow-probability==0.13.0
+termcolor==1.1.0
+terminado==0.10.1
+testpath==0.5.0
+threadpoolctl @ file:///home/conda/feedstock_root/build_artifacts/threadpoolctl_1633102299089/work
+tornado==6.1
+tqdm==4.62.0
+traitlets==5.0.5
+typing-extensions==3.7.4.3
+urllib3==1.26.6
+wcwidth==0.2.5
+webencodings==0.5.1
+Werkzeug @ file:///home/ktietz/src/ci/werkzeug_1611932622770/work
+widgetsnbextension==3.5.1
+wrapt==1.12.1
+xlrd==2.0.1
+zipp @ file:///tmp/build/80754af9/zipp_1625570634446/work