Fix CI and composer dependencies

[ChadSikorra]

Many ancient dependencies in this repo :( Just fixing some things up without having to make major changes.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.11%. Comparing base (2d7956b) to head (e2bb2ce).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master       #5   +/-   ##
=========================================
  Coverage     77.11%   77.11%           
  Complexity      105      105           
=========================================
  Files             7        7           
  Lines           319      319           
=========================================
  Hits            246      246           
  Misses           73       73           

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