Update cup key for unofficial release

omaha/net/cup_ecdsa_pubkey.1.h

@@ -21,11 +21,11 @@
 //     * Gy coordinate (256-bit integer, big-endian)
 {0x01,
 0x04,
-0x84, 0xc9, 0x34, 0x7a, 0x5a, 0x3a, 0xfe, 0x18,
-0x1c, 0x8a, 0xe2, 0x65, 0xff, 0x82, 0x85, 0x3f,
-0x70, 0x1a, 0x6b, 0x5b, 0xf6, 0xd3, 0xc4, 0xe7,
-0x54, 0xbd, 0x4c, 0x8a, 0x85, 0xb8, 0xdb, 0xe6,
-0xe5, 0x22, 0x6b, 0xf5, 0x71, 0x50, 0xa2, 0x5b,
-0xa0, 0x96, 0x65, 0x2b, 0x43, 0x0b, 0xdf, 0x67,
-0x7b, 0x09, 0x6c, 0x3f, 0x31, 0x5e, 0xfe, 0xb0,
-0x3c, 0x1e, 0x2e, 0x78, 0x68, 0x14, 0x6f, 0x1f};
+0x6a, 0x13, 0xc5, 0xf6, 0xb7, 0x28, 0xad, 0x94,
+0xbf, 0x77, 0x84, 0xc6, 0x95, 0x82, 0x09, 0x9b,
+0xab, 0x02, 0xed, 0x27, 0x97, 0x5d, 0x58, 0x43,
+0x3c, 0x85, 0x70, 0x13, 0x5a, 0xeb, 0xb1, 0xf3,
+0x62, 0xb3, 0x21, 0x43, 0x47, 0x26, 0x2e, 0x18,
+0x7e, 0x27, 0xc4, 0xbb, 0x5a, 0x9f, 0x0e, 0xe0,
+0x57, 0xa8, 0x2b, 0x51, 0xb0, 0x9b, 0x77, 0x12,
+0x93, 0x6e, 0x2d, 0xdd, 0xc0, 0x2a, 0x97, 0x66};