package/proftpd: bump to version 1.3.8d

Bugfix release, fixing the following issues:

1.3.8d - Released 14-Mar-2025
--------------------------------
- Issue 1855 - Use of HideNoAccess for SFTP sessions can lead to segfault
  and/or unexpected behavior.
- Issue 1876 - SFTP channel allocations can lead to high memory utilization
  over time.

1.3.8c - Released 11-Dec-2024
--------------------------------
- Issue 1770 - Using FTPS after upgrading from 1.3.8a to 1.3.8b leads to crash.
- Issue 1785 - Bad handling of lack of extended attributes leads to SFTP out of
  memory error.
- Issue 1529 - mod_sftp_sql logs "header value too long" due to unexpected key
  header text.
- Issue 1839 - SSH ECDSA host key algorithms not be used as expected despite
  configuring appropriate key.
- Issue 1840 - RADIUS Message-Authenticator verification failed with ProFTPD
  mod_radius.
- Issue 1830 - Supplemental group inheritance grants unintended access to
  GID 0 due to lack of supplemental groups from mod_sql.

https://github.com/proftpd/proftpd/blob/1.3.8/NEWS

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 90be04d4d3)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>

package/proftpd/proftpd.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  183ab7c6107de271a2959ff268f55c9b6c76b2cf0029e6584fccc019686601e0  proftpd-1.3.8b.tar.gz
+sha256  42ba40d8d5a5a9f28c9dcd7f15aa6b5368fe5efceaacb999041311b170f076d5  proftpd-1.3.8d.tar.gz
 sha256  391a473d755c29b5326fb726326ff3c37e42512f53a8f5789fc310232150bf80  COPYING

package/proftpd/proftpd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PROFTPD_VERSION = 1.3.8b
+PROFTPD_VERSION = 1.3.8d
 PROFTPD_SITE = https://github.com/proftpd/proftpd/archive/v$(PROFTPD_VERSION)
 PROFTPD_LICENSE = GPL-2.0+
 PROFTPD_LICENSE_FILES = COPYING