fix(core): correctly filter outdated index

[maxnowack]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (297749f) to head (3e3045d).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1691   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           56        56           
  Lines         1820      1819    -1     
  Branches       420       419    -1     
=========================================
- Hits          1820      1819    -1     

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[codecov]

Bundle Report

Changes will decrease total bundle size by 68 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
@signaldb/core	222.9kB	-68 bytes (-0.03%) ⬇️

Affected Assets, Files, and Routes:

view changes for bundle: @signaldb/core

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
index.cjs2.js	-34 bytes	31.16kB	-0.11%
index2.mjs	-34 bytes	30.96kB	-0.11%
index.cjs29.js	539 bytes	815 bytes	195.29% ⚠️
index29.mjs	539 bytes	808 bytes	200.37% ⚠️
index.cjs27.js	-52 bytes	763 bytes	-6.38%
index27.mjs	-52 bytes	756 bytes	-6.44%
index.cjs28.js	-487 bytes	276 bytes	-63.83%
index28.mjs	-487 bytes	269 bytes	-64.42%