Update news-item-3.md

escaped a : that was causing a break in the build.

Author: brianjo

_news/news-item-3.md

@@ -1,6 +1,6 @@
 ---
 order: 3
 link: https://pytorch.org/blog/the-torch.fft-module-accelerated-fast-fourier-transforms-with-autograd-in-pyTorch/
-summary: The torch.fft module: Accelerated Fast Fourier Transforms with Autograd in PyTorch
+summary: The torch.fft module\: Accelerated Fast Fourier Transforms with Autograd in PyTorch
 ---