chore: bump TechAPI submodule to 2639dba

TechEngineBot · TechEngineBot · commit bd23199bf54e · 2026-06-23T12:20:04.000Z
diff --git a/TechAPI b/TechAPI
@@ -1 +1 @@
-Subproject commit 254c0bd7e0ddbfb2e499590c5bd853e291d7f745
+Subproject commit 2639dbae9ec8de976db80aad2f5b77e51618057c
