chore: update echidna submodule (sorry proof fix)

hyperpolymath · claude · hyperpolymath · commit 363dcee3a316 · 2026-03-22T21:12:14.000Z
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 9b6976c7d7230ed4979651cd524684f574945539
+Subproject commit 7c9e76991e9ada17c6b1b74c6b739f655f1543a0
