src: fix build with GCC 15

Added cstdint to worker_inspector as on more recent version of gcc
the build was failing due to changes to libstdc++ and the removal
of transitive includes.

PR-URL: #56740
Fixes: #56731
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: tjuhaszrh

src/inspector/worker_inspector.h

@@ -5,6 +5,7 @@
 #error("This header can only be used when inspector is enabled")
 #endif
 
+#include <cstdint>
 #include <memory>
 #include <string>
 #include <unordered_map>