Remove ^ from version

Author: dskloetc

package.json

@@ -6,7 +6,7 @@
   "dependencies": {
     "ajv": "8.17.1",
     "axios": "1.9.0",
-    "eventsource": "^4.0.0",
+    "eventsource": "4.0.0",
     "fastify": "5.3.3",
     "ioredis": "5.6.1",
     "mock-socket": "9.3.1",