package/libressl: security bump to version 3.3.6

It includes the following security fix:

    * A malicious certificate can cause an infinite loop.
      Reported by and fix from Tavis Ormandy and David Benjamin, Google.

https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.3.6-relnotes.txt

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libressl/libressl.hash

@@ -1,4 +1,4 @@
 # From https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/SHA256
-sha256  0a51393f0df1cf27e070054a2788a4d073339f363d79cd594076a1b4c48be9a5  libressl-3.3.5.tar.gz
+sha256  3f28849365e1190db2baf9014ff9686012c25b1ca6df8b3a085f789e24fe4b9a  libressl-3.3.6.tar.gz
 # Locally computed
 sha256  5c63613f008f16a9c0025c096bbd736cecf720494d121b5c5203e0ec6e5955b1  COPYING

package/libressl/libressl.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBRESSL_VERSION = 3.3.5
+LIBRESSL_VERSION = 3.3.6
 LIBRESSL_SITE = https://ftp.openbsd.org/pub/OpenBSD/LibreSSL
 LIBRESSL_LICENSE = ISC (new additions), OpenSSL or SSLeay (original OpenSSL code)
 LIBRESSL_LICENSE_FILES = COPYING