Correct the name of the license

[aerorahul]

Description PyPI rejected due to incorrect classifier. This PR corrects it.

Type of change

• [X] 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 not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

• [ ] pynorms
• [ ] pytests

Checklist

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] My changes need updates to the documentation. I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings
• [ ] New and existing tests pass with my changes
• [ ] Any dependent changes have been merged and published

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 48.91%. Comparing base (58bfcf0) to head (e92a841). Report is 22 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #10 +/- ## ======================================== Coverage 48.91% 48.91% ======================================== Files 15 15 Lines 1429 1429 Branches 305 305 ======================================== Hits 699 699 Misses 676 676 Partials 54 54 ```

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