RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/cbindgen/tests/expectations/include_item.both.compat.c

@@ -0,0 +1,13 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct A {
+  int32_t x;
+  float y;
+} A;
+
+typedef struct B {
+  struct A data;
+} B;