drop support for React 16

Author: nygardk

.changeset/stale-peas-sip.md

@@ -0,0 +1,5 @@
+---
+"react-share": major
+---
+
+Dropped support for React 16.

package-lock.json

@@ -50,8 +50,8 @@
   "devDependencies": {
     "@types/assert": "1.5.6",
     "@types/jsonp": "0.2.1",
-    "@types/react": "^16.9.49",
-    "@types/react-dom": "^16.9.8",
+    "@types/react": "^17.0.70",
+    "@types/react-dom": "^17.0.23",
     "@typescript-eslint/eslint-plugin": "^5.40.0",
     "@typescript-eslint/parser": "^5.40.0",
     "cross-env": "7.0.3",
@@ -68,8 +68,8 @@
     "file-loader": "6.2.0",
     "html-webpack-plugin": "5.5.0",
     "prettier": "2.7.1",
-    "react": "16.8.0",
-    "react-dom": "16.8.0",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
     "react-hot-loader": "4.13.0",
     "rimraf": "^3.0.2",
     "style-loader": "3.3.1",
@@ -87,6 +87,6 @@
     "jsonp": "^0.2.1"
   },
   "peerDependencies": {
-    "react": "^16.3.0 || ^17 || ^18"
+    "react": "^17 || ^18"
   }
 }