Upgrade to libvips v8.18.0-rc2 (lovell#308)

Author: kleisauke

build/posix.sh

@@ -395,9 +395,9 @@ fi
 # Disable building man pages, gettext po files, tools, and (fuzz-)tests
 sed -i'.bak' "/subdir('man')/{N;N;N;N;d;}" meson.build
 CFLAGS="${CFLAGS} -O3" CXXFLAGS="${CXXFLAGS} -O3" meson setup _build --default-library=shared --buildtype=release --strip --prefix=${TARGET} ${MESON} \
-  -Ddeprecated=false -Dexamples=false -Dintrospection=disabled -Dmodules=disabled -Dcfitsio=disabled -Dfftw=disabled -Djpeg-xl=disabled \
-  ${WITHOUT_HIGHWAY:+-Dhighway=disabled} -Dorc=disabled -Dmagick=disabled -Dmatio=disabled -Dnifti=disabled -Dopenexr=disabled \
-  -Dopenjpeg=disabled -Dopenslide=disabled -Dpdfium=disabled -Dpoppler=disabled -Dquantizr=disabled \
+  -Ddeprecated=false -Dexamples=false -Dauto_features=enabled -Dintrospection=disabled -Dmodules=disabled -Dcfitsio=disabled -Dfftw=disabled \
+  -Djpeg-xl=disabled ${WITHOUT_HIGHWAY:+-Dhighway=disabled} -Dorc=disabled -Dmagick=disabled -Dmatio=disabled -Dnifti=disabled -Dopenexr=disabled \
+  -Dopenjpeg=disabled -Dopenslide=disabled -Dpdfium=disabled -Dpoppler=disabled -Dquantizr=disabled -Draw=disabled -Dspng=disabled \
   -Dppm=false -Danalyze=false -Dradiance=false \
   ${LINUX:+-Dcpp_link_args="$LDFLAGS -Wl,-Bsymbolic-functions -Wl,--version-script=$DEPS/vips/vips.map $EXCLUDE_LIBS"}
 meson install -C _build --tag runtime,devel

versions.properties

@@ -22,7 +22,7 @@ VERSION_PROXY_LIBINTL=0.5
 VERSION_RSVG=2.61.3
 VERSION_TIFF=4.7.1
 VERSION_UHDR=1.4.0
-VERSION_VIPS=8.17.3
+VERSION_VIPS=8.18.0-rc2
 VERSION_WEBP=1.6.0
 VERSION_XML2=2.15.1
 VERSION_ZLIB_NG=2.3.2