Fix DAG extract bug

[saulshanabrook]

Fixes#387 by updating egglog version. Also tested this on numba/sealir#15 usage of the dag cost extractor and it seems to work

[Copilot]

Pull request overview

This PR fixes issue #387 by updating the egglog dependency from the "fix-fn-bug" branch to the "dag-extract" branch, which includes a fix for extraction with DAG-based cost models.

Key Changes:

• Updated all egglog-related dependencies to use the "dag-extract" branch instead of "fix-fn-bug"
• Added a comprehensive test case that verifies the extraction bug fix with a custom DAG-based cost model

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 3 comments.

File	Description
python/tests/test_extract_bug.py	New test file implementing a DAG-based cost model and testing extraction behavior to verify the bug fix
Cargo.toml	Updated 10 egglog dependency references from "fix-fn-bug" to "dag-extract" branch
Cargo.lock	Updated dependency lock file with new commit hashes corresponding to the "dag-extract" branch

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[codspeed-hq]

CodSpeed Performance Report

Merging #388 will not alter performance

_{Comparing fix-bug-extract (aab8e15) with main (6a892ec)}

Summary

✅ 14 untouched