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/array.both.c

@@ -0,0 +1,19 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef enum Foo_Tag {
+  A,
+} Foo_Tag;
+
+typedef struct Foo {
+  Foo_Tag tag;
+  union {
+    struct {
+      float a[20];
+    };
+  };
+} Foo;
+
+void root(struct Foo a);