package/libtasn1: security bump to version 4.20.0

Fixes the following security vulnerability:

CVE-2024-12133: Potential DoS in handling of numerous SEQUENCE OF or SET

https://lists.gnu.org/archive/html/help-libtasn1/2025-02/msg00001.html

Adjust the license files after upstream moved the license clarification to
README.md and moved the COPYING* files top the top level directory /
slightly updated the COPYING* files (http->https) with:

https://gitlab.com/gnutls/libtasn1/-/commit/73cc886c3ff29c326a5f1a10b3127d521574a1ad

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 2867f4be4248ed9ec6432168b7b75bd42f972be6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libtasn1/libtasn1.hash

@@ -1,7 +1,7 @@
 # Locally calculated after checking pgp signature
-# https://ftp.gnu.org/gnu/libtasn1/libtasn1-4.19.0.tar.gz.sig
-sha256  1613f0ac1cf484d6ec0ce3b8c06d56263cc7242f1c23b30d82d23de345a63f7a  libtasn1-4.19.0.tar.gz
+# https://ftp.gnu.org/gnu/libtasn1/libtasn1-4.20.0.tar.gz.sig
+sha256  92e0e3bd4c02d4aeee76036b2ddd83f0c732ba4cda5cb71d583272b23587a76c  libtasn1-4.20.0.tar.gz
 # Locally calculated
-sha256  7446831f659f7ebfd8d497acc7f05dfa8e31c6cb6ba1b45df33d4895ab80f5a6  COPYING
-sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  doc/COPYING
-sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  doc/COPYING.LESSER
+sha256  990ef6a87f29a9d3db33698b94ea026a5d0f81bbf9806333d73699a250b7e5d6  README.md
+sha256  3972dc9744f6499f0f9b2dbf76696f2ae7ad8af9b23dde66d6af86c9dfb36986  COPYING
+sha256  20e50fe7aae3e56378ebf0417d9de904f55a0e61e4df315333e632a4d3555d95  COPYING.LESSERv2

package/libtasn1/libtasn1.mk

@@ -4,11 +4,11 @@
 #
 ################################################################################
 
-LIBTASN1_VERSION = 4.19.0
+LIBTASN1_VERSION = 4.20.0
 LIBTASN1_SITE = $(BR2_GNU_MIRROR)/libtasn1
 LIBTASN1_DEPENDENCIES = host-bison host-pkgconf
 LIBTASN1_LICENSE = GPL-3.0+ (tests, tools), LGPL-2.1+ (library)
-LIBTASN1_LICENSE_FILES = COPYING doc/COPYING doc/COPYING.LESSER
+LIBTASN1_LICENSE_FILES = README.md COPYING COPYING.LESSERv2
 LIBTASN1_CPE_ID_VENDOR = gnu
 LIBTASN1_INSTALL_STAGING = YES