Changes

SDK/c-ares: refresh patches for 1.23.0

SDK/c-ares: more patch refreshing for 1.23.0

SDK/c-ares: m68k-unknown-amigaos needs -lm

sdk: Fix libexpat download URL

ppc-amigaos: Remove patch which prevents DNS resolution on newer OS4.1
beta

m68k-unknown-amigaos: Update AmiSSL to v5.13

m68k-unknown-amigaos: Switch libcurl to AmiSSL v5
libcurl+OpenSSL+NetSurf doesn't connect to secure sites under OS3.x.
Confirmed libcurl+AmiSSL (v5.13)+NetSurf, along with Miami, is a working
combination under AmigaOS 3.2.2.1

m68k-unknown-amigaos: revert openssl bsdsocket change This wasn't
relevant to the AmiSSL change and should have been left alone.

ppc-amigaos: Avoid use of gethostbyname_r as it is unstable

Amiga: Build libcurl against AmiSSL on OS4

ppc-amigaos: Disable threaded resolver

Fix makefile directory dependancy
gnu make simply rebuilds every time if directories are normal 
prerequisites. Change to use order only prerequisite.

Update cares to version 1.34.2

Update SDK library versions
zlib to 1.3.1 openssl to 3.0.15 libpng to 1.6.44 libjpeg-turbo to 3.0.4 
libcurl to 8.11.0 libexpat to 2.6.3 freetype to 2.13.3 brotli to 1.1.0
Improved sdk makefile to have a macro rule to construct patched sources