fix(deps): upgrade eslint-config-prettier to get comma-dangle fix

Author: jrolfs

package.json

@@ -87,7 +87,7 @@
     "eslint": "^6.8.0",
     "eslint-config-airbnb-typescript": "^11.0.0",
     "eslint-config-kentcdodds": "^15.0.0",
-    "eslint-config-prettier": "^6.10.0",
+    "eslint-config-prettier": "^6.12.0",
     "eslint-plugin-import": "^2.20.0",
     "eslint-plugin-jest": "^24.0.1",
     "eslint-plugin-jsx-a11y": "^6.2.3",

yarn.lock

@@ -3864,20 +3864,20 @@ eslint-config-kentcdodds@^15.0.0:
     semver "^7.3.2"
     webpack "^4.44.2"
 
-eslint-config-prettier@^6.10.0:
-  version "6.12.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.12.0.tgz#9eb2bccff727db1c52104f0b49e87ea46605a0d2"
-  integrity sha512-9jWPlFlgNwRUYVoujvWTQ1aMO8o6648r+K7qU7K5Jmkbyqav1fuEZC0COYpGBxyiAJb65Ra9hrmFx19xRGwXWw==
-  dependencies:
-    get-stdin "^6.0.0"
-
 eslint-config-prettier@^6.11.0:
   version "6.11.0"
   resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.11.0.tgz#f6d2238c1290d01c859a8b5c1f7d352a0b0da8b1"
   integrity sha512-oB8cpLWSAjOVFEJhhyMZh6NOEOtBVziaqdDQ86+qhDHFbZXoRTM7pNSvFRfW/W/L/LrQ38C99J5CGuRBBzBsdA==
   dependencies:
     get-stdin "^6.0.0"
 
+eslint-config-prettier@^6.12.0:
+  version "6.12.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.12.0.tgz#9eb2bccff727db1c52104f0b49e87ea46605a0d2"
+  integrity sha512-9jWPlFlgNwRUYVoujvWTQ1aMO8o6648r+K7qU7K5Jmkbyqav1fuEZC0COYpGBxyiAJb65Ra9hrmFx19xRGwXWw==
+  dependencies:
+    get-stdin "^6.0.0"
+
 eslint-import-resolver-node@^0.3.3, eslint-import-resolver-node@^0.3.4:
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.4.tgz#85ffa81942c25012d8231096ddf679c03042c717"