Bump eslint-config-prettier from 6.11.0 to 6.15.0

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 6.11.0 to 6.15.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-config-prettier/compare/v6.11.0...v6.15.0)

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

package-lock.json

@@ -4484,9 +4484,9 @@
       }
     },
     "eslint-config-prettier": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.11.0.tgz",
-      "integrity": "sha512-oB8cpLWSAjOVFEJhhyMZh6NOEOtBVziaqdDQ86+qhDHFbZXoRTM7pNSvFRfW/W/L/LrQ38C99J5CGuRBBzBsdA==",
+      "version": "6.15.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.15.0.tgz",
+      "integrity": "sha512-a1+kOYLR8wMGustcgAjdydMsQ2A/2ipRPwRKUmfYaSxc9ZPcrku080Ctl6zrZzZNs/U82MjSv+qKREkoq3bJaw==",
       "dev": true,
       "requires": {
         "get-stdin": "^6.0.0"

package.json

@@ -42,7 +42,7 @@
         "@typescript-eslint/parser": "^3.10.1",
         "@zeit/ncc": "^0.22.3",
         "eslint": "^7.12.1",
-        "eslint-config-prettier": "^6.11.0",
+        "eslint-config-prettier": "^6.15.0",
         "eslint-plugin-prettier": "^3.1.4",
         "jest": "^26.6.1",
         "jest-circus": "^26.6.1",