Bump fflate from 0.7.3 to 0.7.4

Bumps [fflate](https://github.com/101arrowz/fflate) from 0.7.3 to 0.7.4.
- [Release notes](https://github.com/101arrowz/fflate/releases)
- [Changelog](https://github.com/101arrowz/fflate/blob/master/CHANGELOG.md)
- [Commits](101arrowz/fflate@v0.7.3...v0.7.4)

---
updated-dependencies:
- dependency-name: fflate
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -3674,8 +3674,8 @@ fb-watchman@^2.0.0:
     bser "2.1.1"
 
 fflate@^0.7.3:
-  version "0.7.3"
-  resolved "https://registry.npmjs.org/fflate/-/fflate-0.7.3.tgz"
+  version "0.7.4"
+  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.7.4.tgz#61587e5d958fdabb5a9368a302c25363f4f69f50"
 
 figures@3.2.0, figures@^3.0.0:
   version "3.2.0"