fix preact not updating variables

[malbernaz]

No description provided.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@f8d8bad). Click here to learn what that means.
The diff coverage is 100%.

@@           Coverage Diff           @@
##             master    #67   +/-   ##
=======================================
  Coverage          ?   100%           
=======================================
  Files             ?     14           
  Lines             ?    307           
  Branches          ?     65           
=======================================
  Hits              ?    307           
  Misses            ?      0           
  Partials          ?      0

Impacted Files	Coverage Δ
packages/preact/src/consumer.ts	100% <100%> (ø)

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