Bump ra-i18n-polyglot from 5.2.0 to 5.3.0 (#68)

Bumps [ra-i18n-polyglot](https://github.com/marmelab/react-admin) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/marmelab/react-admin/releases)
- [Changelog](https://github.com/marmelab/react-admin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/marmelab/react-admin/compare/v5.2.0...v5.3.0)

---
updated-dependencies:
- dependency-name: ra-i18n-polyglot
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -55,7 +55,7 @@
     "lodash": "^4.17.21",
     "papaparse": "^5.4.1",
     "ra-core": "^5.3.0",
-    "ra-i18n-polyglot": "^5.2.0",
+    "ra-i18n-polyglot": "^5.3.0",
     "ra-language-english": "^5.3.0",
     "ra-language-farsi": "^5.0.0",
     "ra-language-french": "^5.2.0",