Update dependency ws to v8.21.0 (#799)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -17,7 +17,7 @@
     "pino-pretty": "13.1.3",
     "prom-client": "15.1.3",
     "redlock": "5.0.0-beta.2",
-    "ws": "8.20.1",
+    "ws": "8.21.0",
     "ethers": "6.16.0",
     "@solana/kit": "6.9.0"
   },

yarn.lock

@@ -3555,12 +3555,7 @@ ws@8.17.1:
   resolved "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz#9293da530bb548febc95371d90f9c878727d919b"
   integrity sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==
 
-ws@8.20.1:
-  version "8.20.1"
-  resolved "https://registry.npmjs.org/ws/-/ws-8.20.1.tgz#91a9ae2b312ccf98e0a85ec499b48cef45ab0ddb"
-  integrity sha512-It4dO0K5v//JtTXuPkfEOaI3uUN87iYPnqo/ZzqCoG3g8uhA66QUMs/SrM0YK7/NAu+r4LMh/9dq2A7k+rHs+w==
-
-ws@^8.19.0:
+ws@8.21.0, ws@^8.19.0:
   version "8.21.0"
   resolved "https://registry.npmjs.org/ws/-/ws-8.21.0.tgz#012e413fc07429945121b0c153158c4343086951"
   integrity sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==