Update antidot-fw/event-dispatcher requirement from ^1.1.1 to ^2.0.3

Updates the requirements on [antidot-fw/event-dispatcher](https://github.com/antidot-framework/antidot-event-dispatcher) to permit the latest version.
- [Release notes](https://github.com/antidot-framework/antidot-event-dispatcher/releases)
- [Changelog](https://github.com/antidot-framework/antidot-event-dispatcher/blob/master/CHANGELOG.md)
- [Commits](antidot-framework/antidot-event-dispatcher@1.1.1...2.0.3)

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

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
     "antidot-fw/cli": "^1.1.0",
     "antidot-fw/container": "^0.1.0",
     "antidot-fw/dev-tools": "^0.1.2",
-    "antidot-fw/event-dispatcher": "^1.1.1",
+    "antidot-fw/event-dispatcher": "^2.0.3",
     "antidot-fw/framework": "^0.1.1",
     "antidot-fw/logger": "^1.1.0",
     "antidot-fw/symfony-config-translator": "^1.1.0",