Bump prettier from 2.7.1 to 2.8.7

Bumps [prettier](https://github.com/prettier/prettier) from 2.7.1 to 2.8.7.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.7.1...2.8.7)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package-lock.json

@@ -23,7 +23,7 @@
         "esm": "^3.2.25",
         "mocha": "^8.4.0",
         "npm-run-all": "^4.1.5",
-        "prettier": "2.7.1",
+        "prettier": "2.8.7",
         "webpack": "^5.76.1",
         "webpack-cli": "^4.10.0"
       }
@@ -3189,9 +3189,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
-      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
+      "version": "2.8.7",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.7.tgz",
+      "integrity": "sha512-yPngTo3aXUUmyuTjeTUT75txrf+aMh9FiD7q9ZE/i6r0bPb22g4FsE6Y338PQX1bmfy08i9QQCB7/rcUAVntfw==",
       "dev": true,
       "bin": {
         "prettier": "bin-prettier.js"
@@ -6596,9 +6596,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
-      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
+      "version": "2.8.7",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.7.tgz",
+      "integrity": "sha512-yPngTo3aXUUmyuTjeTUT75txrf+aMh9FiD7q9ZE/i6r0bPb22g4FsE6Y338PQX1bmfy08i9QQCB7/rcUAVntfw==",
       "dev": true
     },
     "punycode": {