Bump sharp from 0.31.2 to 0.31.3

Bumps [sharp](https://github.com/lovell/sharp) from 0.31.2 to 0.31.3.
- [Release notes](https://github.com/lovell/sharp/releases)
- [Changelog](https://github.com/lovell/sharp/blob/main/docs/changelog.md)
- [Commits](lovell/sharp@v0.31.2...v0.31.3)

---
updated-dependencies:
- dependency-name: sharp
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "pug": "3.0.2",
     "sass": "1.58.0",
     "sass-loader": "13.2.0",
-    "sharp": "0.31.2",
+    "sharp": "0.31.3",
     "shelljs": "0.8.5",
     "style-loader": "3.3.1",
     "uglify-js": "3.17.4",