chore: update LICENSE to GPL3

[smcclellan]

This PR was published to npm with the version 6.5.5-pr.fb7c08b.0
e.g. npm install @stacks/[email protected] --save-exact

Description

Breaking change?

Example

---

Checklist

• Unit tested updated code paths
• Tagged 1 of @janniks or @zone117x for review

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Name	Status	Preview	Comments	Updated (UTC)
stacksjs-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 13, 2023 3:21am

[codecov]

Codecov Report

Merging #1531 (fb7c08b) into main (d2293c7) will decrease coverage by 0.01%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main    #1531      +/-   ##
==========================================
- Coverage   66.16%   66.16%   -0.01%     
==========================================
  Files         118      118              
  Lines        8631     8633       +2     
  Branches     1906     1885      -21     
==========================================
+ Hits         5711     5712       +1     
- Misses       2683     2794     +111     
+ Partials      237      127     -110     

Impacted Files	Coverage Δ
packages/stacking/src/index.ts	89.26% <ø> (ø)
packages/transactions/src/clarity/deserialize.ts	94.28% <ø> (ø)
packages/transactions/src/clarity/serialize.ts	100.00% <ø> (ø)
...ckages/transactions/src/clarity/types/booleanCV.ts	100.00% <ø> (ø)
...ackages/transactions/src/clarity/types/bufferCV.ts	87.50% <ø> (ø)
packages/transactions/src/clarity/types/intCV.ts	100.00% <ø> (ø)
packages/transactions/src/clarity/types/listCV.ts	100.00% <ø> (ø)
...kages/transactions/src/clarity/types/optionalCV.ts	54.54% <ø> (ø)
...ages/transactions/src/clarity/types/principalCV.ts	92.68% <ø> (ø)
...kages/transactions/src/clarity/types/responseCV.ts	100.00% <ø> (ø)
... and 4 more

... and 24 files with indirect coverage changes

[zone117x]

What's the motivation behind this change?

[janniks]

I think we’re typically a MIT / Apache shop

[smcclellan]

Disregard -- no longer needed.