Update dependency eslint-config-prettier to v8 (#15)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -46,7 +46,7 @@
     "@babel/eslint-parser": "^10.0.3 || ^7.11.0",
     "cross-env": "^7.0.2",
     "eslint": "^6.8.0",
-    "eslint-config-prettier": "^6.7.0",
+    "eslint-config-prettier": "^6.7.0 || ^8.0.0",
     "eslint-config-standard": "^14.1.0",
     "eslint-config-standard-react": "^9.2.0",
     "eslint-plugin-import": "^2.18.2",

yarn.lock

@@ -4974,12 +4974,10 @@ escodegen@^1.11.0, escodegen@^1.9.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-eslint-config-prettier@^6.7.0:
-  version "6.15.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.15.0.tgz#7f93f6cb7d45a92f1537a70ecc06366e1ac6fed9"
-  integrity sha512-a1+kOYLR8wMGustcgAjdydMsQ2A/2ipRPwRKUmfYaSxc9ZPcrku080Ctl6zrZzZNs/U82MjSv+qKREkoq3bJaw==
-  dependencies:
-    get-stdin "^6.0.0"
+"eslint-config-prettier@^6.7.0 || ^8.0.0":
+  version "8.8.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-8.8.0.tgz#bfda738d412adc917fd7b038857110efe98c9348"
+  integrity sha512-wLbQiFre3tdGgpDv67NQKnJuTlcUVYHas3k+DZCc2U2BadthoEY4B7hLPvAxaqdyOGCzuLfii2fqGph10va7oA==
 
 eslint-config-react-app@^5.2.1:
   version "5.2.1"
@@ -5979,11 +5977,6 @@ get-own-enumerable-property-symbols@^3.0.0:
   resolved "https://registry.yarnpkg.com/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz#b5fde77f22cbe35f390b4e089922c50bce6ef664"
   integrity sha512-I0UBV/XOz1XkIJHEUDMZAbzCThU/H8DxmSfmdGcKPnVhu2VfFqr34jr9777IyaTYvxjedWhqVIilEDsCdP5G6g==
 
-get-stdin@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
-  integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
-
 get-stream@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-4.1.0.tgz#c1b255575f3dc21d59bfc79cd3d2b46b1c3a54b5"