chore: update to react 18 (#6780)

package.json

@@ -80,15 +80,15 @@
     "@babel/register": "^7.22.15",
     "@react-bootstrap/babel-preset": "^2.2.0",
     "@react-bootstrap/eslint-config": "^3.0.0",
-    "@testing-library/dom": "^8.20.1",
-    "@testing-library/react": "^12.1.5",
-    "@testing-library/user-event": "^13.5.0",
+    "@testing-library/dom": "^9.3.4",
+    "@testing-library/react": "^14.2.1",
     "@types/chai": "^4.3.11",
     "@types/invariant": "^2.2.37",
     "@types/mocha": "^10.0.6",
     "@types/prop-types": "^15.7.11",
-    "@types/react-dom": "^16.9.24",
-    "@types/sinon": "^10.0.20",
+    "@types/react": "^18.2.66",
+    "@types/react-dom": "^18.2.22",
+    "@types/sinon": "^17.0.3",
     "@types/sinon-chai": "^3.2.12",
     "@types/warning": "^3.0.3",
     "@typescript-eslint/eslint-plugin": "^5.62.0",
@@ -131,11 +131,9 @@
     "mocha": "^10.2.0",
     "prettier": "^2.8.8",
     "process": "^0.11.10",
-    "react": "^16.14.0",
-    "react-dom": "^16.14.0",
-    "react-test-renderer": "^16.14.0",
-    "simulant": "^0.2.2",
-    "sinon": "^15.2.0",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "sinon": "^17.0.1",
     "sinon-chai": "^3.7.0",
     "typescript": "^5.3.3",
     "util": "^0.12.5",

src/Carousel.tsx

@@ -55,7 +55,6 @@ export interface CarouselProps
   prevLabel?: React.ReactNode;
   nextIcon?: React.ReactNode;
   nextLabel?: React.ReactNode;
-  ref?: React.Ref<CarouselRef>;
   variant?: CarouselVariant;
 }
 

src/helpers.ts

@@ -28,7 +28,7 @@ export interface BsPrefixRefForwardingComponent<
   <As extends React.ElementType = TInitial>(
     props: React.PropsWithChildren<ReplaceProps<As, BsPrefixProps<As> & P>>,
     context?: any,
-  ): React.ReactElement | null;
+  ): React.ReactNode;
   propTypes?: any;
   contextTypes?: any;
   defaultProps?: Partial<P>;