bump jsmn to latest

rurban · rurban · commit fcaa678537ef · 2025-10-29T22:33:23.000+11:00
stricter typing mostly
diff --git a/jsmn b/jsmn
@@ -1 +1 @@
-Subproject commit 85695f3d5903b1cd5b4030efe50db3b4f5f3c928
+Subproject commit 25647e692c7906b96ffd2b05ca54c097948e879c
