Patch release to address duplicate fill attributes in all the new icon we added in v1.6.0, plus a few more fixes.
- #1052: Some bugfix updates for our v1.6.0 release:
- Fixes #986: Updates Discord icon to their new logo
- Fixes #1050: Replace fill Snapchat icon will outline version to better match official brand
- Fixes #1043: Update URL in hero for v1.6.0 blog post
- #1048: Updated SVGO config and re-processed all new icons added in v1.6.0, plus miscellaneous dev patches.
