Bump imagemin-optipng from 6.0.0 to 8.0.0 (#79)

dependabot-preview[bot] · web-flow · commit 817dd5bdd5c4 · 2021-08-17T14:58:27.000+02:00
Bumps [imagemin-optipng](https://github.com/imagemin/imagemin-optipng) from 6.0.0 to 8.0.0. - [Release notes](https://github.com/imagemin/imagemin-optipng/releases) - [Commits](imagemin/imagemin-optipng@v6.0.0...v8.0.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
diff --git a/package.json b/package.json
@@ -49,7 +49,7 @@
     "imagemin-gifsicle": "^7.0.0",
     "imagemin-jpegtran": "^6.0.0",
     "imagemin-mozjpeg": "^8.0.0",
-    "imagemin-optipng": "^6.0.0",
+    "imagemin-optipng": "^8.0.0",
     "imagemin-pngquant": "^8.0.0",
     "imagemin-svgo": "^7.0.0",
     "lodash.clonedeep": "^4.5.0",
