Update dreamfactory/df-database requirement from ~0.11.0 to ~0.11.2

Updates the requirements on [dreamfactory/df-database](https://github.com/dreamfactorysoftware/df-database) to permit the latest version.
- [Release notes](https://github.com/dreamfactorysoftware/df-database/releases)
- [Changelog](https://github.com/dreamfactorysoftware/df-database/blob/master/CHANGELOG.md)
- [Commits](dreamfactorysoftware/df-database@0.11.0...0.11.2)

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

composer.json

@@ -31,7 +31,7 @@
   "minimum-stability": "dev",
   "prefer-stable":     true,
   "require":     {
-    "dreamfactory/df-database": "~0.11.0",
+    "dreamfactory/df-database": "~0.11.2",
     "dreamfactory/df-email":    "~0.10.1",
     "dreamfactory/df-file":     "~0.7.1",
     "dreamfactory/df-sqldb":    "~0.17.1",