libpng: Update to 1.6.47 (wrong antiya id)

Author: Ghabry

shared/packages.ini

@@ -8,10 +8,10 @@ arguments = "-DZLIB_BUILD_EXAMPLES=OFF"
 anitya_id = 5303
 
 [libpng]
-version = 1.6.39
+version = 1.6.47
 url = "https://download.sourceforge.net/libpng/libpng-${version}.tar.xz"
 arguments = "-DPNG_SHARED=OFF -DPNG_EXECUTABLES=OFF -DPNG_TESTS=OFF"
-anitya_id = 15294
+anitya_id = 1705
 
 [freetype]
 version = 2.13.3
@@ -159,7 +159,7 @@ version_major = 76
 version_minor = 1
 version = ${version_major}-${version_minor}
 _ini_comment = empty on purpose, otherwise polluted by default section
-directory = 
+directory =
 url = https://ci.easyrpg.org/job/icudata/lastSuccessfulBuild/artifact/icudata${version_major}_all.tar.gz
 files = "icudt*.dat"
 anitya_id = 16134

shared/packages.sh

@@ -9,9 +9,9 @@ ZLIB_URL="https://zlib.net/fossils/zlib-1.3.1.tar.gz"
 ZLIB_ARGS="-DZLIB_BUILD_EXAMPLES=OFF"
 ZLIB_DIR="zlib-1.3.1"
 
-LIBPNG_URL="https://download.sourceforge.net/libpng/libpng-1.6.39.tar.xz"
+LIBPNG_URL="https://download.sourceforge.net/libpng/libpng-1.6.47.tar.xz"
 LIBPNG_ARGS="-DPNG_SHARED=OFF -DPNG_EXECUTABLES=OFF -DPNG_TESTS=OFF"
-LIBPNG_DIR="libpng-1.6.39"
+LIBPNG_DIR="libpng-1.6.47"
 
 FREETYPE_URL="https://download.savannah.gnu.org/releases/freetype/freetype-2.13.3.tar.xz"
 FREETYPE_ARGS="-DFT_DISABLE_BZIP2=ON -DFT_DISABLE_BROTLI=ON"