chore: simplify hydrozen regex

Author: e-moran

well-known-bots.json

@@ -8609,7 +8609,7 @@
     "categories": [
       "monitor"
     ],
-    "pattern": "^Hydrozen\\.io\\/\\d{0,4}\\.\\d{0,4}$",
+    "pattern": "Hydrozen\\.io\\/\\d+\\.\\d+",
     "addition_date": "2025/02/02",
     "verification": [
       {