Test build for lovell/sharp-libvips#39

See: lovell/sharp-libvips#39.

v8.9.1

Update for 8.9.1

- Update librsvg to 2.47.2.

v8.9.0

Update for 8.9.0

- Update GLib to 2.63.4.
- Update librsvg to 2.47.2.
- Update libwebp to 1.1.0.
- Update ImageMagick to 6.9.10-87.
- Update libde265 to 1.0.5.

MXE Updates:
- Update SQLite to 3.30.1.

v8.9.0-rc4

Update for 8.9.0-rc4

- Update libjpeg-turbo to 2.0.4.
- Update ImageMagick to 6.9.10-83.
- Update Poppler to 0.84.0.
- Optimize Rust code for binary size.

v8.9.0-rc3

Update for 8.8.4 and 8.9.0-rc3

- Update FriBidi to 1.0.8.
- Update GLib to 2.63.3.
- Update librsvg to 2.47.1.
- Update HDF5 to 1.10.6.
- Update ImageMagick to 6.9.10-80.
- Update libde265 to 1.0.4.
- Update libheif to 1.6.1.
- Update LLVM toolchain to 9.0.1.
- librsvg no longer requires libcroco.

MXE Updates:
- Update Poppler to 0.83.0.

v8.8.4

Update for 8.8.4 and 8.9.0-rc3

- Update FriBidi to 1.0.8.
- Update GLib to 2.63.3.
- Update librsvg to 2.47.1.
- Update HDF5 to 1.10.6.
- Update ImageMagick to 6.9.10-80.
- Update libde265 to 1.0.4.
- Update libheif to 1.6.1.
- Update LLVM toolchain to 9.0.1.
- librsvg no longer requires libcroco.

MXE Updates:
- Update Poppler to 0.83.0.

v8.8.3

Update for 8.8.3

- Update FriBidi to 1.0.7.
- Update GDK-PixBuf to 2.40.0.
- Update GLib to 2.63.0.
- Update librsvg to 2.46.1.
- Update ImageMagick to 6.9.10-68.
- Update OpenEXR to 2.4.0.
- Update x265 to 3.2.

MXE Updates:
- Update Expat to 2.2.9.
- Update HarfBuzz to 2.6.2.
- Update libjpeg-turbo to 2.0.3.
- Update Poppler to 0.81.0.
- Update SQLite to 3.30.0.

v8.8.2

Update for 8.8.2

- Update ImageMagick to 6.9.10-63.
- Update libheif to 1.5.1.
- Update Poppler to 0.80.0.

v8.8.1

Update for 8.8.1

- Update Cairo to 1.17.2.
- Update HarfBuzz to 2.5.3.
- Update librsvg to 2.45.7.
- Update libwebp to 1.0.3.
- Update ImageMagick to 6.9.10-53.
- Update matio to 1.5.16.
- Update Poppler to 0.79.0.
- libexif: Apply security patches from Debian.

MXE Updates:
- Update FreeType to 2.10.1.
- Update gettext to 0.20.1.
- Update SQLite to 3.29.0.

v8.8.0

Update for 8.8.0

- Update GLib to 2.61.1.
- Update HarfBuzz to 2.5.1.
- Update ImageMagick to 6.9.10-48.
- Update x265 to 3.0.
- Add an option to build with MozJPEG (closes #8).

MXE Updates:
- Update Poppler to 0.77.0.