chore: bump @types/node from 14.14.41 to 15.0.0 in /web3.js (#16863)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.41 to 15.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web3.js/package-lock.json

@@ -3753,9 +3753,9 @@
       }
     },
     "@types/node": {
-      "version": "14.14.41",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.41.tgz",
-      "integrity": "sha512-dueRKfaJL4RTtSa7bWeTK1M+VH+Gns73oCgzvYfHZywRCoPSd8EkXBL0mZ9unPTveBn+D9phZBaxuzpwjWkW0g=="
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.0.0.tgz",
+      "integrity": "sha512-YN1d+ae2MCb4U0mMa+Zlb5lWTdpFShbAj5nmte6lel27waMMBfivrm0prC16p/Di3DyTrmerrYUT8/145HXxVw=="
     },
     "@types/node-fetch": {
       "version": "2.5.10",
@@ -10010,6 +10010,12 @@
         "ws": "^7.3.1"
       },
       "dependencies": {
+        "@types/node": {
+          "version": "14.14.42",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.42.tgz",
+          "integrity": "sha512-88QoObqn9WYIUMRzOx92GmSHmU3JCyukC2ulEv8tFjUG9VeV2FQ/cA7VQ1gi+rB/+gBMVvzVFcTnz8RdMDVIWw==",
+          "dev": true
+        },
         "normalize-url": {
           "version": "1.9.1",
           "resolved": "https://registry.npmjs.org/normalize-url/-/normalize-url-1.9.1.tgz",

web3.js/package.json

@@ -100,7 +100,7 @@
     "@types/chai-as-promised": "^7.1.3",
     "@types/mocha": "^8.2.1",
     "@types/mz": "^2.7.3",
-    "@types/node": "^14.14.26",
+    "@types/node": "^15.0.0",
     "@types/node-fetch": "^2.5.8",
     "@types/secp256k1": "^4.0.1",
     "@types/sinon": "^10.0.0",