Fix badge on README

[3kh0]

Please check if the PR fulfills these requirements

• [X] The commit message follows our guidelines
• [X] Tests for the changes have been added (for bug fixes / features)
• [X] Documentation has been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

A fix for the non working badge on the readme

Is there an open issue that this resolves? If so, please link it here.

nope

What is the current behavior? (You can also link to an open issue here)

Badge displays error

What is the new behavior (if this is a feature change)?

Badge displays proper information

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

This pr does not affect the application

Other information:

This is a very simple pr

[CLAassistant]

All committers have signed the CLA.

[3kh0]

@capnkenny Glad to help!