ci: fix caches and permissions

[sebastijankuzner]

Summary

• Fix pnpm and lerna cache
• Move functional tests under test.yml
• Fix permissions

Checklist

• Ready to be merged

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.25%. Comparing base (cd480fc) to head (1a794e4).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #960   +/-   ##
========================================
  Coverage    50.25%   50.25%           
========================================
  Files         1112     1112           
  Lines        60076    60076           
  Branches      1458     1458           
========================================
  Hits         30190    30190           
  Misses       29848    29848           
  Partials        38       38           

Flag	Coverage Δ
contracts	99.48% <ø> (ø)
packages	49.92% <ø> (ø)

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