Update citation-style-language/locales requirement from 0.0.15 to 0.0…

….19 (#3359)

Updates the requirements on [citation-style-language/locales](https://github.com/citation-style-language/locales) to permit the latest version.
- [Release notes](https://github.com/citation-style-language/locales/releases)
- [Commits](citation-style-language/locales@v0.0.15...v0.0.19)

---
updated-dependencies:
- dependency-name: citation-style-language/locales
  dependency-type: direct:production
...

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composer.json

@@ -33,7 +33,7 @@
         "az-digital/arizona-bootstrap": "2.0.25",
         "az-digital/az-icons": "1.0.1",
         "az-digital/smart_title": "dev-az-digital",
-        "citation-style-language/locales": "0.0.15",
+        "citation-style-language/locales": "0.0.19",
         "citation-style-language/styles": "0.0.409",
         "composer/installers": "^2.0",
         "cweagans/composer-patches": "^1.7",