Save file-directory-32.svg, file-directory-fill-32.svg (#736)

* Save file-directory-32.svg, file-directory-fill-32.svg

* Optimize SVGs

* Create slimy-peaches-draw.md

Added changeset

* Update slimy-peaches-draw.md

* Save file-directory-16.svg, file-directory-fill-16.svg

* Delete file-directory-fill-32.svg

* Delete file-directory-32.svg

* Optimize SVGs

* Update .changeset/slimy-peaches-draw.md

Co-authored-by: Javier Diaz <actions@github.com>
Co-authored-by: Cole Bemis <colebemis@github.com>
Co-authored-by: Ash Guillaume <10384315+ashygee@users.noreply.github.com>

.changeset/slimy-peaches-draw.md

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+---
+"@primer/octicons": major
+---
+
+This patch fixes two problems:
+- We're adding a non-filled `file-directory` icon to the set.
+- We're fixing a problem where the 16px and 24px versions of the `file-directory` icons were mismatched between `fill` and `non-fill` versions of the icon.
+
+**THIS IS A BREAKING CHANGE** and will require re-linking all the `file-directory` icon references to `file-directory-fill`