Upgrade react-json-tree to 0.12.0

This removes transitive dependencies on `@babel/runtime` and `core-js`, hooray :)

packages/outputs/package.json

@@ -13,7 +13,7 @@
     "@nteract/markdown": "^4.3.10-alpha.0",
     "@nteract/mathjax": "^4.0.7",
     "ansi-to-react": "^6.0.5",
-    "react-json-tree": "^0.11.0"
+    "react-json-tree": "^0.12.0"
   },
   "note:devDeps": [
     "commutable is a development dependency as we don't want to force consumers of our library to install commutable.",

yarn.lock

@@ -1924,14 +1924,6 @@ babel-preset-jest@^25.2.1:
     "@babel/plugin-syntax-object-rest-spread" "^7.0.0"
     babel-plugin-jest-hoist "^25.2.1"
 
-babel-runtime@^6.6.1:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
-  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
-  dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.11.0"
-
 [email protected]:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/backbone/-/backbone-1.2.3.tgz#c22cfd07fc86ebbeae61d18929ed115e999d65b9"
@@ -2584,11 +2576,6 @@ core-js-compat@^3.6.2:
     browserslist "^4.8.3"
     semver "7.0.0"
 
-core-js@^2.4.0:
-  version "2.6.11"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
-  integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
-
 [email protected], core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -6143,12 +6130,11 @@ react-is@^16.12.0, react-is@^16.6.0, react-is@^16.6.3, react-is@^16.7.0, react-i
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
-react-json-tree@^0.11.0:
-  version "0.11.2"
-  resolved "https://registry.yarnpkg.com/react-json-tree/-/react-json-tree-0.11.2.tgz#af70199fcbc265699ade2aec492465c51608f95e"
-  integrity sha512-aYhUPj1y5jR3ZQ+G3N7aL8FbTyO03iLwnVvvEikLcNFqNTyabdljo9xDftZndUBFyyyL0aK3qGO9+8EilILHUw==
+react-json-tree@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/react-json-tree/-/react-json-tree-0.12.0.tgz#58c4de7294ffe46dd2be9a4c43cc360fde466d7d"
+  integrity sha512-lp+NDCsU25JTueO1s784oZ5wEmh1c6kHk96szlX1e9bAlyNiHwCBXINpp0C5/D/LwQi9H/a6NjXGkSOS8zxMDg==
   dependencies:
-    babel-runtime "^6.6.1"
     prop-types "^15.5.8"
     react-base16-styling "^0.5.1"
 
@@ -6388,11 +6374,6 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
   integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
 
-regenerator-runtime@^0.11.0:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
-  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
-
 regenerator-runtime@^0.13.4:
   version "0.13.5"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.5.tgz#d878a1d094b4306d10b9096484b33ebd55e26697"