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/std_lib.both.compat.c

@@ -0,0 +1,22 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct Option_i32 Option_i32;
+
+typedef struct Result_i32__String Result_i32__String;
+
+typedef struct Vec_String Vec_String;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void root(const struct Vec_String *a,
+          const struct Option_i32 *b,
+          const struct Result_i32__String *c);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus