fix dates

Author: corwintines

src/data/community-events.json

@@ -239,8 +239,8 @@
     "sponsor": null,
     "location": "Amsterdam, Netherlands",
     "description": "ETHDam is a conference and hackathon gathering the best DeFi and Privacy builders in Amsterdam in May 2023.",
-    "startDate": "2022-05-20",
-    "endDate": "2022-05-21"
+    "startDate": "2023-05-20",
+    "endDate": "2023-05-21"
   },
   {
     "title": "BlockSplit",