Update dependency packages

[obulat]

This PR updates some dependencies after updating the Python version to 3.9. It is based on the #72, and includes its changes. It fixes several issues created from dependabot PRs when we transferred the repository.

To create this PR, I installed the dependencies into a virtual environment within the Docker cccatalog-api container. I ran pipenv update <package-name> to update the version. Some versions were higher than the ones in dependabot PRs, and they are shown in bold in the list below. Then I copied the resulting Pipfile.lock file to the repository on my computer, stopped Docker containers, and re-built them with the new Pipfile. After loading sample data, I ran the tests and all the tests passed.

Fixes #29 jinja2 2.11.2 -> 2.11.3
Fixes #33 pycodestyle 2.6.0 ->2.7.0
Fixes #34 deepdiff 5.0.2 [->5.2.1] -> 5.5.0
Fixes #39 pipdeptree 1.0.0 -> 2.0.0
Fixes #41 django-storages 1.10.1 -> 1.11.1
Fixes #43 pyjwt 1.7.1 [-> 2.0.1] -> 2.1.0
Fixes #44 djangorestframework 3.11.1 -> 3.12.4
Fixes #48 hvac 0.10.5 [-> 0.10.8] -> 0.10.10
Fixes #49 boto3 1.15.11 [-> 1.17.39] -> 1.17.67
Fixes #50 gevent 20.9.0 [-> 21.1.0] -> 21.1.2
Fixes #51 py 1.9.0 -> 1.10.0
Fixes #52 ipython 7.18.1 [-> 7.21.0] -> 7.23.1
Fixes #54 pygments 2.7.1 [-> 2.7.4] -> 2.9.0

Note: I did not update django (#40) in this PR

[zackkrida]

👍 looks good to me. @dhruvkb could you please review too? You have a good eye for dependency changes

[dhruvkb]

@obulat let's change the target branch of this PR to obulat:python_update_to_3.9 (same as #70) and merge it. That way we can test the combined effects of the upgrade to Python 3.9.

Verified that the updated dependencies are working fine.

[obulat]

All of the changes in this PR are contained in #72. Closing this PR in favor of a more comprehensive one.