Alpha v0.18.8

Note: this is another reminder that the windows installer doesn't open after installing. It's a known bug we haven't been able to fix

Another small update with some bug fixes and a couple of new features.

Changes

• Add FFv1 support to Video Frame Iterator (#1779)
• (onnx) Add FP16 option for tensorrt (#1795)
• (pytorch) OmniSR Support (#1804, #1813, #1815)

New Nodes

• Pixelate (#1777, thanks @harisreedhar)
  • Pixelate an image, similar to Photoshop's "Mosaic" filter

Bug Fixes

• Fixed bug with generating hashes after an upscale (#1797, thanks @Zarxrax)
• Fixed a bug that would show invalid nodes in the right-click node-selector context menu (#1821)

Also, thanks to the following maintainers: @joeyballentine @RunDevelopment