getdns: Update to 1.7.3

Changelog from upstream (https://github.com/getdnsapi/getdns/releases/tag/v1.7.3):

* 2022-12-22: Version 1.7.3
  * PR getdnsapi/getdns#532: Increase CMake required version 3.5 -> 3.20, because we
    need cmake_path for Absolute paths in pkg-config (See Issue getdnsapi/getdns#517)
    Thanks Gabriel Ganne
  * Updated to Stubby 0.4.3 quickfix release

* 2022-08-19: Version 1.7.2
  * Stubby updated to 0.4.2 quickfix release

* 2022-08-19: Version 1.7.1
  * Always send the `dot` ALPN when using DoT
  * Strengthen version determination for Libidn2 during cmake processing
    (thanks jpbion).
  * Fix for issue in UDP stream selection in case of timeouts.
    Thanks Shikha Sharma
  * Fix using asterisk in ipstr for any address. Thanks uzlonewolf.
  * Issue getdnsapi/stubby#295: rdata not correctly written for validation for
    certain RR type. Also, set default built type to RelWithDebInfo and
    expose CFLAGS via GETDNS_BUILD_CFLAGS define and via
    getdns_context_get_api_information()
  * Issue getdnsapi/getdns#524: Bug fixes from submodules' upstream?
    Thanks Johnnyslee
  * Issue getdnsapi/getdns#517: Allow Absolute path CMAKE_INSTALL_{INCLUDE,LIB}DIR in
    pkg-config files. Thanks Alex Shpilkin
  * Issue getdnsapi/getdns#512: Update README.md to show correct PGP key location.
    Thanks Katze Prior.

Signed-off-by: Aquila Cooper <aquila@cpr.is>

libs/getdns/Makefile

@@ -5,16 +5,16 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=getdns
-PKG_VERSION:=1.7.0
-PKG_RELEASE:=2
+PKG_VERSION:=1.7.3
+PKG_RELEASE:=1
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE
 PKG_MAINTAINER:=
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://getdnsapi.net/dist/
-PKG_HASH:=ea8713ce5e077ac76b1418ceb6afd25e6d4e39e9600f6f5e81d3a3a13a60f652
+PKG_HASH:=f1404ca250f02e37a118aa00cf0ec2cbe11896e060c6d369c6761baea7d55a2c
 
 CMAKE_INSTALL:=1