add GHA to check for license

[darrenvechain]

Description

This changes introduce a GHA to check for licenses on all go files

Type of change

Please delete options that are not relevant.

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Locally, by running:

make license-check

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] New and existing E2E tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules
• [x] I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

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

Project coverage is 61.34%. Comparing base (e61c650) to head (dd5ec1c).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #731 +/- ## ========================================== - Coverage 61.35% 61.34% -0.02% ========================================== Files 194 194 Lines 18221 18221 ========================================== - Hits 11179 11177 -2 - Misses 5960 5961 +1 - Partials 1082 1083 +1 ```

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