Bump libpqxx to latest

jagerman · jagerman · commit c4e52d53a5f6 · 2024-06-19T19:58:10.000-03:00
diff --git a/libpqxx b/libpqxx
@@ -1 +1 @@
-Subproject commit 78e4f95afe0cd4667d0accea83580ae279e0e9d3
+Subproject commit c154460e7418f94abc7291c12b3bbb6ee9760bca
