chore(deps): update react monorepo to v17

package.json

@@ -21,8 +21,8 @@
     "gatsby-plugin-sharp": "2.6.39",
     "gatsby-source-graphcms": "2.0.0-next.11",
     "gatsby-transformer-sharp": "2.5.17",
-    "react": "16.13.1",
-    "react-dom": "16.13.1",
+    "react": "17.0.2",
+    "react-dom": "17.0.2",
     "react-helmet": "6.1.0",
     "react-transition-group": "4.4.1"
   },

yarn.lock

@@ -12319,15 +12319,14 @@ react-dev-utils@^4.2.3:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@16.13.1:
-  version "16.13.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.1.tgz#c1bd37331a0486c078ee54c4740720993b2e0e7f"
-  integrity sha512-81PIMmVLnCNLO/fFOQxdQkvEq/+Hfpv24XNJfpyZhTRfO0QcmQIF/PgCa1zCOj2w1hrn12MFLyaJ/G0+Mxtfag==
+react-dom@17.0.2:
+  version "17.0.2"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-17.0.2.tgz#ecffb6845e3ad8dbfcdc498f0d0a939736502c23"
+  integrity sha512-s4h96KtLDUQlsENhMn1ar8t2bEa+q/YAtj8pPPdIjPDGBDIVNsrD9aXNWqspUe6AzKCIG0C1HZZLqLV7qpOBGA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
-    prop-types "^15.6.2"
-    scheduler "^0.19.1"
+    scheduler "^0.20.2"
 
 react-error-overlay@^3.0.0:
   version "3.0.0"
@@ -12465,7 +12464,15 @@ [email protected]:
     loose-envify "^1.4.0"
     prop-types "^15.6.2"
 
-[email protected], react@^16.8.0:
+[email protected]:
+  version "17.0.2"
+  resolved "https://registry.yarnpkg.com/react/-/react-17.0.2.tgz#d0b5cc516d29eb3eee383f75b62864cfb6800037"
+  integrity sha512-gnhPt75i/dq/z3/6q/0asP78D0u592D5L1pd7M8P+dck6Fu/jJeL6iVVK23fptSUZj8Vjf++7wXA8UNclGQcbA==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
+react@^16.8.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react/-/react-16.13.1.tgz#2e818822f1a9743122c063d6410d85c1e3afe48e"
   integrity sha512-YMZQQq32xHLX0bz5Mnibv1/LHb3Sqzngu7xstSM+vrkE5Kzr9xE0yMByK5kMoTK30YVJE61WfbxIFFvfeDKT1w==
@@ -13209,6 +13216,14 @@ scheduler@^0.19.1:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
+scheduler@^0.20.2:
+  version "0.20.2"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.20.2.tgz#4baee39436e34aa93b4874bddcbf0fe8b8b50e91"
+  integrity sha512-2eWfGgAqqWFGqtdMmcL5zCMK1U8KlXv8SQFGglL3CEtd0aDVDWgeF/YoCmvln55m5zSk3J/20hTaSBeSObsQDQ==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 schema-utils@^0.4.5:
   version "0.4.7"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"