Update React DevTools deps from 4.6 -> 4.12

Summary:
Update `react-devtools-core` and `react-devtools` dependencies for RN, VSCode, Sonar, etc.

# Changelog:

[General][Changed] - Upgraded react-devtools-core dependency to 4.12.0

Reviewed By: gaearon

Differential Revision: D27764688

fbshipit-source-id: faa179cf4be3b49b14244d47ee0b91ae63138b8b

Author: Brian Vaughn

package.json

@@ -111,7 +111,7 @@
     "pretty-format": "^26.5.2",
     "promise": "^8.0.3",
     "prop-types": "^15.7.2",
-    "react-devtools-core": "^4.6.0",
+    "react-devtools-core": "^4.12.0",
     "react-refresh": "^0.4.0",
     "regenerator-runtime": "^0.13.2",
     "scheduler": "^0.20.1",

yarn.lock

@@ -5719,10 +5719,10 @@ range-parser@~1.2.0:
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
   integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
 
-react-devtools-core@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/react-devtools-core/-/react-devtools-core-4.6.0.tgz#2443b3c6fac78b801702af188abc6d83d56224e6"
-  integrity sha512-sjR3KC5VvGV7X6vzR3OTutPT5VeBcSKwoIXUwihpl1Nb4dkmweEbzCTPx2PYMVAqc+NZ5tPGhqBzXV+iGg5CNA==
+react-devtools-core@^4.12.0:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/react-devtools-core/-/react-devtools-core-4.12.0.tgz#02fa1a3d58b2748ce5a0a3213f4417e7a4960354"
+  integrity sha512-MN7zE3UpccJQLs+tTKGoM1GQFZLJki4PhT4Us0JJgn6MK1m5ZOQnmJZy+cp21LqUBFPXxqmpqeu65/gTRbxK5Q==
   dependencies:
     shell-quote "^1.6.1"
     ws "^7"