Update dreamfactory/df-core requirement from ~0.24 to ~0.25

Updates the requirements on [dreamfactory/df-core](https://github.com/dreamfactorysoftware/df-core) to permit the latest version.
- [Release notes](https://github.com/dreamfactorysoftware/df-core/releases)
- [Changelog](https://github.com/dreamfactorysoftware/df-core/blob/master/CHANGELOG.md)
- [Commits](dreamfactorysoftware/df-core@0.24.0...0.25.0)

---
updated-dependencies:
- dependency-name: dreamfactory/df-core
  dependency-type: direct:production
...

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

composer.json

@@ -34,7 +34,7 @@
   "minimum-stability": "dev",
   "prefer-stable":     true,
   "require":     {
-    "dreamfactory/df-core": "~0.24",
+    "dreamfactory/df-core": "~0.25",
     "graham-campbell/github": "^7.5|^8.2",
     "graham-campbell/gitlab": "^1.7.0|^2.2",
     "graham-campbell/bitbucket": "^4.2|^5.2",