Update darylldoyle/safe-svg requirement from 2.0.3 to 2.2.4

Updates the requirements on [darylldoyle/safe-svg](https://github.com/10up/safe-svg) to permit the latest version.
- [Release notes](https://github.com/10up/safe-svg/releases)
- [Changelog](https://github.com/10up/safe-svg/blob/develop/CHANGELOG.md)
- [Commits](10up/safe-svg@2.0.3...2.2.4)

---
updated-dependencies:
- dependency-name: darylldoyle/safe-svg
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -11,7 +11,7 @@
 	],
 	"require": {
 		"php": ">=7.1",
-		"darylldoyle/safe-svg": "2.0.3",
+		"darylldoyle/safe-svg": "2.2.4",
 		"humanmade/tachyon-plugin": "~0.11.9",
 		"humanmade/smart-media": "~0.5.4",
 		"humanmade/aws-rekognition": "~0.1.9",