composer(deps): update statamic/cms requirement from ^3.0.47 to ^3.0.48

Updates the requirements on [statamic/cms](https://github.com/statamic/cms) to permit the latest version.
- [Release notes](https://github.com/statamic/cms/releases)
- [Changelog](https://github.com/statamic/cms/blob/3.0/CHANGELOG.md)
- [Commits](statamic/cms@v3.0.47...v3.0.48)

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

composer.json

@@ -22,7 +22,7 @@
     "require": {
         "php": "^7.4 || ^8.0",
         "ext-json": "*",
-        "statamic/cms": "^3.0.47"
+        "statamic/cms": "^3.0.48"
     },
     "require-dev": {
         "orchestra/testbench": "^6.15.0",