Add node18 GA option to actions runtime

[sergiught]

🔧 Changes

Adds node18 GA version on main so we can release v0.50.2 for folks before EOL for node18-beta (node18).

📚 References

• Actions Runtime Support for node18-actions #777

🔬 Testing

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

Merging #803 (cc5a2fc) into main (ecc8bb9) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #803   +/-   ##
=======================================
  Coverage   86.71%   86.71%           
=======================================
  Files          83       83           
  Lines       12514    12515    +1     
=======================================
+ Hits        10851    10852    +1     
  Misses       1264     1264           
  Partials      399      399           

Files Changed	Coverage Δ
internal/auth0/action/resource.go	86.03% <100.00%> (+0.06%)	⬆️

[willvedd]

I'm now realizing that this may require a change to the migration guide too.