Update versions-manifest (#189)

Co-authored-by: Service account <[email protected]>

Author: github-actions[bot]

versions-manifest.json

@@ -515,6 +515,50 @@
       }
     ]
   },
+  {
+    "version": "20.18.0",
+    "stable": true,
+    "lts": "Iron",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/20.18.0-11182621166",
+    "files": [
+      {
+        "filename": "node-20.18.0-darwin-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.18.0-11182621166/node-20.18.0-darwin-arm64.tar.gz"
+      },
+      {
+        "filename": "node-20.18.0-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.18.0-11182621166/node-20.18.0-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-20.18.0-linux-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.18.0-11182621166/node-20.18.0-linux-arm64.tar.gz"
+      },
+      {
+        "filename": "node-20.18.0-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.18.0-11182621166/node-20.18.0-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-20.18.0-win32-arm64.7z",
+        "arch": "arm64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.18.0-11182621166/node-20.18.0-win32-arm64.7z"
+      },
+      {
+        "filename": "node-20.18.0-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.18.0-11182621166/node-20.18.0-win32-x64.7z"
+      }
+    ]
+  },
   {
     "version": "20.17.0",
     "stable": true,