Fix signals peer deps for 1.78.0

[silesky]

When we release 1.78.0 analytics.js, we want 1.78.0 to be a valid peer dependency for Signals.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 628943b

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.85%. Comparing base (1402a33) to head (628943b).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1256   +/-   ##
=======================================
  Coverage   83.85%   83.85%           
=======================================
  Files         221      221           
  Lines        5872     5872           
  Branches     1344     1344           
=======================================
  Hits         4924     4924           
  Misses        948      948           

Flag	Coverage Δ
browser	92.26% <ø> (ø)
core	89.86% <ø> (ø)
node	87.93% <ø> (ø)

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