chore: update echidna submodule

hyperpolymath · claude · hyperpolymath · commit 456ea09e4c2a · 2026-03-28T07:39:02.000Z
Co-Authored-By: Claude Opus 4.6 (1M context) &lt;noreply@anthropic.com&gt;
diff --git a/satellites/neurosymbolic/echidna b/satellites/neurosymbolic/echidna
@@ -1 +1 @@
-Subproject commit 7c9e76991e9ada17c6b1b74c6b739f655f1543a0
+Subproject commit 7eb04e305ecf6b2a573b16f153d2d992ea8a8968
