Bump pretty-bytes from 6.0.0 to 6.1.0 (#775)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ovidiu Voda <ovi.voda@gmail.com>

package.json

@@ -44,7 +44,7 @@
     "mapbox-gl-styles": "2.0.2",
     "pixelmatch": "^5.3.0",
     "pngjs": "^6.0.0",
-    "pretty-bytes": "^6.0.0",
+    "pretty-bytes": "^6.1.0",
     "request": "^2.88.0",
     "semver": "^7.3.8",
     "shuffle-seed": "1.1.6",