chore:(deps): bump prettier from 2.1.1 to 2.1.2 in /explorer (#12270)

Bumps [prettier](https://github.com/prettier/prettier) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.1.1...2.1.2)

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

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

explorer/package-lock.json

@@ -13040,9 +13040,9 @@
       "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
     },
     "prettier": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.1.1.tgz",
-      "integrity": "sha512-9bY+5ZWCfqj3ghYBLxApy2zf6m+NJo5GzmLTpr9FsApsfjriNnS2dahWReHMi7qNPhhHl9SYHJs2cHZLgexNIw=="
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.1.2.tgz",
+      "integrity": "sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg=="
     },
     "pretty-bytes": {
       "version": "5.3.0",

explorer/package.json

@@ -29,7 +29,7 @@
     "classnames": "2.2.6",
     "humanize-duration-ts": "^2.1.1",
     "node-sass": "^4.14.1",
-    "prettier": "^2.1.1",
+    "prettier": "^2.1.2",
     "react": "^16.13.1",
     "react-app-rewired": "^2.1.6",
     "react-chartjs-2": "^2.10.0",