scripts/keys: update roasbeef keys with new expiry

My key recently expired, in this commit, we update the keys to the new
refreshed version. These are the same keys, but with an expiry further
out.

Here's a clear sign of the latest Bitcoin block hash:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

000000000000000000013215ef7c32bc0427f388fc83623affe712f388
-----BEGIN PGP SIGNATURE-----

iHUEARYKAB0WIQQpYhJoGq3wVlaize6QUl997uCthgUCaPi6xwAKCRCQUl997uCt
hpqNAQC5VnnbO6h/PjywGhU4LLRvH8SdgdDEMSc7xrtWd1vgPgD+IDrHqiAb+h38
ORBnUVJCVuZrPebtdnYXVQhII91eaw4=
=WRbl
-----END PGP SIGNATURE-----

Author: Roasbeef

scripts/keys/roasbeef.asc

@@ -6,18 +6,18 @@ ExYKADgCGwMFCwkIBwMFFQoJCAsFFgIDAQACHgUCF4AWIQSlthiWlS2f2oO8BUzc
 QmEuiSNxggUCZxbhmgAKCRDcQmEuiSNxgt0XAQDGxHcavV/s9Gg+uzkaIYilTJ08
 qw9vB2+yQweivquuVAD9FGlSG4OqOzCsK2QhRfSer4v9nMRerWItlY2cnBNabAG4
 OARnFuC4EgorBgEEAZdVAQUBAQdAkccXTbhZwrzzEcwYP8y5WlrHeZI2k4IMOXvl
-uvIdihEDAQgHiH4EGBYKACYWIQSlthiWlS2f2oO8BUzcQmEuiSNxggUCZxbguAIb
-DAUJAeEzgAAKCRDcQmEuiSNxgkLVAQD8RkxYCDEzY1hoLUanENgLgzuGchCAmQWw
-GwaxsLR1vQD/W4D/Fn2o1t0QwpUbdi+GUJVASeoobnTCx/4SA0oAvge4MwRnFuEg
+uvIdihEDAQgHiH4EGBYKACYCGwwWIQSlthiWlS2f2oO8BUzcQmEuiSNxggUCaPi5
+3AUJA8xHIQAKCRDcQmEuiSNxgkmLAPwLEHJ6D6nciPL0ot2FX8Or3l0nJQnuABQ1
+z4iuss0C9QEA4Zn6765uDnbnKFvVykRWzdhQbbJZfZ9SZxrHuA2KAgm4MwRnFuEg
 FgkrBgEEAdpHDwEBB0DzxAfJDJBe4cnOMkUt22iHY6jNTPFAetZy23qOAiHvcYh+
-BBgWCgAmFiEEpbYYlpUtn9qDvAVM3EJhLokjcYIFAmcW4SACGyAFCQHhM4AACgkQ
-3EJhLokjcYKAjwEAsnsoIyF/2xptEMIwziuRTv5sJmbWJejxggiPxO8x3D4BAMk2
-CKC48FNbNI4UVNCROVQx4/eJPamZ+LzK4MPeikcOuDMEZxbhdhYJKwYBBAHaRw8B
-AQdAE2ATLfAU8F6jeYEHSHgNimYhr2zuqrxASPVx/Q2xWV+I9QQYFgoAJhYhBKW2
-GJaVLZ/ag7wFTNxCYS6JI3GCBQJnFuF2AhsCBQkB4TOAAIEJENxCYS6JI3GCdiAE
-GRYKAB0WIQQpYhJoGq3wVlaize6QUl997uCthgUCZxbhdgAKCRCQUl997uCthtbg
-APsFK5LRqt78/cscdRIuPMAqdZmXNr2XDtWjUZ8WQf72XwEAm8/BCodJvfiMWMyD
-Urc7HOdLqnFrRWkj1OQineUpHAsHawEAhAwn/eoJ42KcXsCiuxgpEvL996VHHiOf
-I2iWx2w9AEQBAKmpEwfQDz6k4/913HGkki1seOS1LJq+3+kGJsu/V74H
-=6iqc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+=RcwZ
 -----END PGP PUBLIC KEY BLOCK-----