build(deps-dev): bump eslint-plugin-import from 2.18.0 to 2.31.0

Bumps [eslint-plugin-import](https://github.com/import-js/eslint-plugin-import) from 2.18.0 to 2.31.0.
- [Release notes](https://github.com/import-js/eslint-plugin-import/releases)
- [Changelog](https://github.com/import-js/eslint-plugin-import/blob/main/CHANGELOG.md)
- [Commits](import-js/eslint-plugin-import@v2.18.0...v2.31.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-import
  dependency-version: 2.31.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
     "eslint": "6.0.1",
     "eslint-config-standard": "13.0.1",
     "eslint-plugin-markdown": "1.0.0",
-    "eslint-plugin-import": "2.18.0",
+    "eslint-plugin-import": "2.31.0",
     "eslint-plugin-node": "9.1.0",
     "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-standard": "4.0.0",