updated codecov version to 2.1.13, keeping in mind the recent port through official docs, fixing issue #381

[pUrGe12]

Description

The codecov version has officially been changed to 2.1.13 and version 2.1.12 can no longer be installed using PyPI as mentioned in this doc. Hence, fixing the bug by changing the codecov version to 2.1.13.

Steps to Reproduce

The bug has been reported in the issue #381. It comes up when installing the requirements in the requirements-dev.txt file.

Related Issue

The related issue is #381

Motivation and Context

This change is extremely necessary because it allows new users to build the docker image and use the product. If not implemented then it will cause a build failure because PyPI cannot install the given version of codecov.

Reviewers

@Ali-Razmjoo

How Has This Been Tested?

Testing running the docker image on my local machine Ubuntu 22.04 Jellyfish, through the prescribed route in the README.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other

Checklist

• I have followed the Contributor Guidelines.
• The code has been thoroughly tested in my local development environment with flake8 and pylint.
• The code is Python 3 compatible.
• The code follows the PEP8 styling guidelines with 4 spaces indentation.
• This Pull Request relates to only one issue or only one feature
• I have referenced the corresponding issue number in my commit message
• I have added the relevant documentation.
• My branch is up-to-date with the Upstream master branch.

[pUrGe12]

@Ali-Razmjoo can this be closed?