fix: update github cache version

Merge pull request #7 from thomas9911/fix/allow-on-elixir-1-18

feat: pull unicode character checks from guard to a function

Merge pull request #5 from thomas9911/fix/whitespace-around-arrays

fix: handle whitespace around array brackets

Merge pull request #4 from thomas9911/fix/empty-string-in-combine-bac…

…kend

fix: allow for empty strings with combine backend

feat: bump version 0.3.0

Release 0.2.0