chore: update C core (and pick up attempted fix for linking error)

szhorvat · szhorvat · commit c9c236fd7bb0 · 2024-04-29T09:15:29.000Z
diff --git a/vendor/source/igraph b/vendor/source/igraph
@@ -1 +1 @@
-Subproject commit 8b2d1c666d0f53ffe65de5fd737866724e327d86
+Subproject commit 45cb86394a34021111fb6b071b48aa783930fdd9
