Enable shared build of ImageMagick.

#1211

* Add benchmark magickwand.

* Enable shared magick.

* Remove MagickWand test because it can't be compiled with current dependency image.

* Enable formats explicitly.

dependencies/build_imagemagick.sh

@@ -13,7 +13,14 @@ curl -L -o ./magick.tar.gz "$URL"
 
 tar xfv ./magick.tar.gz
 cd ImageMagick-*
-./configure --enable-64bit-channel-masks --enable-static --enable-delegate-build --disable-shared --with-x=no --with-magick-plus-plus=no --host=${DEB_HOST_MULTIARCH}
+./configure \
+  --enable-64bit-channel-masks \
+  --enable-static --enable-shared --enable-delegate-build \
+  --with-heic --with-jpeg --with-png \
+  --with-raw --with-tiff --with-webp \
+  --without-x --without-magick-plus-plus \
+  --without-perl --disable-doc \
+  --host=${DEB_HOST_MULTIARCH}
 make
 make install
 cd ..