Bump prettier from 1.19.1 to 2.7.1

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 2.7.1.
- [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/1.19.1...2.7.1)

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

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

package-lock.json

@@ -4190,9 +4190,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.19.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
-      "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==",
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
+      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
       "dev": true
     },
     "pretty-format": {

package.json

@@ -37,7 +37,7 @@
     "@zeit/ncc": "^0.21.0",
     "jest": "^24.9.0",
     "jest-circus": "^24.9.0",
-    "prettier": "1.19.1",
+    "prettier": "2.7.1",
     "ts-jest": "^24.3.0",
     "typescript": "^3.7.4",
     "typescript-formatter": "^7.2.2"