ssz: bump to disable arm64 hashtree (#6278)

arnetheduck · web-flow · commit 31fdbae9d4a7 · 2024-05-09T08:15:22.000+02:00
diff --git a/vendor/nim-ssz-serialization b/vendor/nim-ssz-serialization
@@ -1 +1 @@
-Subproject commit 8545d625d89a2608b341a7a88128eb1b4905cf51
+Subproject commit ea28231c2367cf3311a1f9bbcb35059501fc13f9
