package/libcurl: bump version to 7.75.0

Updated license hash due to copyright year bump:
https://github.com/curl/curl/commit/275c28e6502e1ded6c62b5bf22a409de16b4a04e

Changelog: https://curl.se/changes.html

Release notes:
https://daniel.haxx.se/blog/2021/02/03/curl-7-75-0-is-smaller/
"No new security advisories this time!"

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 87f8356a2be1fe73c19e20ba63319f2cc29e42b6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libcurl/libcurl.hash

@@ -1,5 +1,5 @@
 # Locally calculated after checking pgp signature
-# https://curl.haxx.se/download/curl-7.74.0.tar.xz.asc
+# https://curl.haxx.se/download/curl-7.75.0.tar.xz.asc
 # signed with key 27EDEAF22F3ABCEB50DB9A125CC908FDB71E12C2
-sha256  999d5f2c403cf6e25d58319fdd596611e455dd195208746bc6e6d197a77e878b  curl-7.74.0.tar.xz
-sha256  db3c4a3b3695a0f317a0c5176acd2f656d18abc45b3ee78e50935a78eb1e132e  COPYING
+sha256  fe0c49d8468249000bda75bcfdf9e30ff7e9a86d35f1a21f428d79c389d55675  curl-7.75.0.tar.xz
+sha256  6fd1a1c008b5ef4c4741dd188c3f8af6944c14c25afa881eb064f98fb98358e7  COPYING

package/libcurl/libcurl.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBCURL_VERSION = 7.74.0
+LIBCURL_VERSION = 7.75.0
 LIBCURL_SOURCE = curl-$(LIBCURL_VERSION).tar.xz
 LIBCURL_SITE = https://curl.haxx.se/download
 LIBCURL_DEPENDENCIES = host-pkgconf \