Rerun hack/vendor.sh to pick up gpgme changes

In particular, https://github.com/proglottis/gpgme/pull/8 .

vendor/github.com/mtrmac/gpgme/go_gpgme.h

@@ -1,6 +1,8 @@
 #ifndef GO_GPGME_H
 #define GO_GPGME_H
 
+#include <stdint.h>
+
 #include <gpgme.h>
 
 extern ssize_t gogpgme_readfunc(void *handle, void *buffer, size_t size);