Update react monorepo to v16.12.0

Author: renovate-bot

package.json

@@ -29,8 +29,8 @@
     "gatsby-source-filesystem": "2.0.43",
     "gatsby-transformer-remark": "2.4.0",
     "prismjs": "1.16.0",
-    "react": "16.8.6",
-    "react-dom": "16.8.6",
+    "react": "16.12.0",
+    "react-dom": "16.12.0",
     "react-helmet": "5.2.1",
     "react-typography": "0.16.19",
     "typography": "0.16.19",
@@ -61,7 +61,7 @@
     "jest": "24.8.0",
     "lint-staged": "8.2.1",
     "prettier": "1.18.2",
-    "react-test-renderer": "16.8.6",
+    "react-test-renderer": "16.12.0",
     "ts-jest": "24.0.2",
     "typescript": "3.5.2"
   },

yarn.lock

@@ -10866,15 +10866,15 @@ react-dev-utils@^4.2.1:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@16.8.6:
-  version "16.8.6"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.6.tgz#71d6303f631e8b0097f56165ef608f051ff6e10f"
-  integrity sha512-1nL7PIq9LTL3fthPqwkvr2zY7phIPjYrT0jp4HjyEQrEROnw4dG41VVwi/wfoCneoleqrNX7iAD+pXebJZwrwA==
+react-dom@16.12.0:
+  version "16.12.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.12.0.tgz#0da4b714b8d13c2038c9396b54a92baea633fe11"
+  integrity sha512-LMxFfAGrcS3kETtQaCkTKjMiifahaMySFDn71fZUNpPHZQEzmk/GiAeIT8JSOrHB23fnuCOMruL2a8NYlw+8Gw==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.13.6"
+    scheduler "^0.18.0"
 
 react-error-overlay@^3.0.0:
   version "3.0.0"
@@ -10944,22 +10944,31 @@ react-side-effect@^1.1.0:
     exenv "^1.2.1"
     shallowequal "^1.0.1"
 
-react-test-renderer@16.8.6:
-  version "16.8.6"
-  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.8.6.tgz#188d8029b8c39c786f998aa3efd3ffe7642d5ba1"
-  integrity sha512-H2srzU5IWYT6cZXof6AhUcx/wEyJddQ8l7cLM/F7gDXYyPr4oq+vCIxJYXVGhId1J706sqziAjuOEjyNkfgoEw==
+react-test-renderer@16.12.0:
+  version "16.12.0"
+  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.12.0.tgz#11417ffda579306d4e841a794d32140f3da1b43f"
+  integrity sha512-Vj/teSqt2oayaWxkbhQ6gKis+t5JrknXfPVo+aIJ8QwYAqMPH77uptOdrlphyxl8eQI/rtkOYg86i/UWkpFu0w==
   dependencies:
     object-assign "^4.1.1"
     prop-types "^15.6.2"
     react-is "^16.8.6"
-    scheduler "^0.13.6"
+    scheduler "^0.18.0"
 
 [email protected]:
   version "0.16.19"
   resolved "https://registry.yarnpkg.com/react-typography/-/react-typography-0.16.19.tgz#5736b47961dcf6b9605b6fa38d41980db2588e28"
   integrity sha512-kV2qLEsdm0x9P4YXQEDVc88tDb4Vg0h/vdVZGgbqaRn8ERvNzV76JHUeOby3vvcUYU5MPd5Kz5DPH9Bhp4I/iw==
 
-[email protected], react@^16.8.4:
+[email protected]:
+  version "16.12.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
+  integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.2"
+
+react@^16.8.4:
   version "16.8.6"
   resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"
   integrity sha512-pC0uMkhLaHm11ZSJULfOBqV4tIZkx87ZLvbbQYunNixAAvjnC+snJCg0XQXn9VIsttVsbZP/H/ewzgsd5fxKXw==
@@ -11611,6 +11620,14 @@ scheduler@^0.13.2, scheduler@^0.13.6:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
+scheduler@^0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.18.0.tgz#5901ad6659bc1d8f3fdaf36eb7a67b0d6746b1c4"
+  integrity sha512-agTSHR1Nbfi6ulI0kYNK0203joW2Y5W4po4l+v03tOoiJKpTBbxpNhWDvqc/4IcOw+KLmSiQLTasZ4cab2/UWQ==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 schema-utils@^0.4.0, schema-utils@^0.4.4, schema-utils@^0.4.5:
   version "0.4.7"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"