package/rauc: fix URL of the signed tarball

Reported-by: Yair Ben Avraham <yairba@protonmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit a9b454387cdc60a69fc2bac8a24d0e2cf3c5ddb3)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/rauc/rauc.hash

@@ -1,4 +1,4 @@
 # Locally calculated, after verifying against
-# https://github.com/rauc/rauc/releases/download/v1.3/rauc-1.4.tar.xz.asc
+# https://github.com/rauc/rauc/releases/download/v1.4/rauc-1.4.tar.xz.asc
 sha256  85aabf214cd93a37f7ad0b3aaad89eb94facf0f3ebf6e2edca945acbca9b0967  rauc-1.4.tar.xz
 sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  COPYING