chore:(deps): bump chai from 4.3.3 to 4.3.4 in /explorer (#15867)

Bumps [chai](https://github.com/chaijs/chai) from 4.3.3 to 4.3.4.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](https://github.com/chaijs/chai/compare/4.3.3...v4.3.4)

Signed-off-by: dependabot[bot] <support@github.com>

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

explorer/package-lock.json

@@ -5177,9 +5177,9 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "chai": {
-      "version": "4.3.3",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.3.tgz",
-      "integrity": "sha512-MPSLOZwxxnA0DhLE84klnGPojWFK5KuhP7/j5dTsxpr2S3XlkqJP5WbyYl1gCTWvG2Z5N+HD4F472WsbEZL6Pw==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.4.tgz",
+      "integrity": "sha512-yS5H68VYOCtN1cjfwumDSuzn/9c+yza4f3reKXlE5rUg7SFcCEy90gJvydNgOYtblyf4Zi6jIWRnXOgErta0KA==",
       "requires": {
         "assertion-error": "^1.1.0",
         "check-error": "^1.0.2",

explorer/package.json

@@ -27,7 +27,7 @@
     "bn.js": "^5.2.0",
     "bootstrap": "^4.6.0",
     "bs58": "^4.0.1",
-    "chai": "^4.3.3",
+    "chai": "^4.3.4",
     "chart.js": "^2.9.4",
     "classnames": "2.2.6",
     "cross-fetch": "^3.0.6",