bump nanobind_json version

Griger5 · Griger5 · commit 92e65aa2aab6 · 2026-03-08T20:15:50.000+01:00
diff --git a/gitmodules/nanobind_json b/gitmodules/nanobind_json
@@ -1 +1 @@
-Subproject commit 58c78e5d4e5cf9981817c611c803af352cf2bef6
+Subproject commit 7223ee80cc68701821f35fd8916fae61ebe065b3
