Bump to v9: Allow React 19

Author: fongandrew

docs/app.min.js

@@ -1,6 +1,6 @@
 {
   "name": "react-codemirror2",
-  "version": "8.0.2",
+  "version": "9.0.0",
   "description": "a tiny react codemirror component wrapper",
   "main": "index.js",
   "typings": "index.d.ts",
@@ -52,7 +52,7 @@
   ],
   "peerDependencies": {
     "codemirror": "5.x",
-    "react": ">=15.5 <=18.x"
+    "react": ">=15.5 <=19.x"
   },
   "devDependencies": {
     "@babel/core": "^7.24.4",

index.js

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "module": "commonjs",
-    "jsx": "React",
+    "jsx": "react",
     "target": "es5",
     "outDir": "./.ts",
     "declaration": true,