chore:(deps): bump chai from 4.2.0 to 4.3.0 in /explorer (#15243)

Bumps [chai](https://github.com/chaijs/chai) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/master/History.md)
- [Commits](https://github.com/chaijs/chai/compare/4.2.0...4.3.0)

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

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

explorer/package-lock.json

@@ -5694,9 +5694,9 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "chai": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.2.0.tgz",
-      "integrity": "sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.0.tgz",
+      "integrity": "sha512-/BFd2J30EcOwmdOgXvVsmM48l0Br0nmZPlO0uOW4XKh6kpsUumRXBgPV+IlaqFaqr9cYbeoZAM1Npx0i4A+aiA==",
       "requires": {
         "assertion-error": "^1.1.0",
         "check-error": "^1.0.2",
@@ -14905,9 +14905,9 @@
       }
     },
     "pathval": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
-      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA="
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
+      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ=="
     },
     "pbkdf2": {
       "version": "3.1.1",

explorer/package.json

@@ -26,7 +26,7 @@
     "bn.js": "^5.1.3",
     "bootstrap": "^4.6.0",
     "bs58": "^4.0.1",
-    "chai": "^4.2.0",
+    "chai": "^4.3.0",
     "chart.js": "^2.9.4",
     "classnames": "2.2.6",
     "humanize-duration-ts": "^2.1.1",