Bump deps: expat, xml2

Author: lovell

versions.properties

@@ -3,7 +3,7 @@ VERSION_ARCHIVE=3.8.1
 VERSION_CAIRO=1.18.4
 VERSION_CGIF=0.5.0
 VERSION_EXIF=0.6.25
-VERSION_EXPAT=2.7.1
+VERSION_EXPAT=2.7.2
 VERSION_FFI=3.5.2
 VERSION_FONTCONFIG=2.17.1
 VERSION_FREETYPE=2.14.1
@@ -24,5 +24,5 @@ VERSION_SPNG=0.7.4
 VERSION_TIFF=4.7.0
 VERSION_VIPS=8.17.2
 VERSION_WEBP=1.6.0
-VERSION_XML2=2.14.6
+VERSION_XML2=2.15.0
 VERSION_ZLIB_NG=2.2.5