chore: bump mockttp from 2.3.0 to 2.3.1 in /web3.js (#20870)

Bumps [mockttp](https://github.com/httptoolkit/mockttp) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/httptoolkit/mockttp/releases)
- [Commits](https://github.com/httptoolkit/mockttp/compare/v2.3.0...v2.3.1)

---
updated-dependencies:
- dependency-name: mockttp
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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web3.js/package-lock.json

@@ -11594,9 +11594,9 @@
       }
     },
     "node_modules/mockttp": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/mockttp/-/mockttp-2.3.0.tgz",
-      "integrity": "sha512-e9lVdN6vitpGjL7VAQ3CpTcXcGANOhJH9UAw2hr65zQg9xYOOsJz8mc/NcW5w0JCvqjGspSDiwYIZzadA6JE+w==",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/mockttp/-/mockttp-2.3.1.tgz",
+      "integrity": "sha512-GKMqL9h65JokWK6LK/+raUzVa44fE58PGLi4a8nUn7C2YSenBX6jDPdMDC84ckCwJPUOuOMjsqkjWSjUJCe/OA==",
       "dev": true,
       "dependencies": {
         "@graphql-tools/schema": "^7.1.5",
@@ -27445,9 +27445,9 @@
       }
     },
     "mockttp": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/mockttp/-/mockttp-2.3.0.tgz",
-      "integrity": "sha512-e9lVdN6vitpGjL7VAQ3CpTcXcGANOhJH9UAw2hr65zQg9xYOOsJz8mc/NcW5w0JCvqjGspSDiwYIZzadA6JE+w==",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/mockttp/-/mockttp-2.3.1.tgz",
+      "integrity": "sha512-GKMqL9h65JokWK6LK/+raUzVa44fE58PGLi4a8nUn7C2YSenBX6jDPdMDC84ckCwJPUOuOMjsqkjWSjUJCe/OA==",
       "dev": true,
       "requires": {
         "@graphql-tools/schema": "^7.1.5",