updated the eigen submodule to point to version 3.4.0

JMoore5353 · JMoore5353 · commit 982ca7d893d4 · 2025-01-23T08:25:23.000-07:00
diff --git a/lib/eigen b/lib/eigen
@@ -1 +1 @@
-Subproject commit c01ff45312582b2ea896ee307a49165ca4790332
+Subproject commit 3147391d946bb4b6c68edd901f2add6ac1f31f8c
