chore: update example to expo 51 (#21)

Fixing [Error installing ios
app](https://stackoverflow.com/questions/77738691/error-installing-boost-verification-checksum-was-incorrect-expected).

Author: jcalixte

example/App.tsx

@@ -16,10 +16,11 @@ export default function App() {
         </View>
       </Modal>
       <Button title="open modal" onPress={() => setIsModalVisible(true)} />
+      <Button title="fetch - no pin" onPress={fetchUnpinned} />
       <Button title="fetch - valid certificates" onPress={fetchValid} />
       <Button title="fetch - invalid certificates" onPress={fetchInvalid} />
       <Button
-        title="fetch - invalid certificates - subdodmain"
+        title="fetch - invalid certificates - subdomain"
         onPress={fetchInvalidSubdomain}
       />
       <Button title="Is current keyboard safe?" onPress={checkIsKeyboardSafe} />
@@ -49,21 +50,33 @@ const styles = StyleSheet.create({
   },
 });
 
+const fetchUnpinned = async () => {
+  try {
+    const response = await fetch("https://bing.com");
+    console.warn("✅ fetch succeeded", {
+      status: response.status,
+    });
+  } catch (error) {
+    console.warn("❌ fetch failed", error);
+  }
+};
+
+
 const fetchValid = async () => {
   try {
     const response = await fetch("https://google.com");
     console.warn("✅ valid certificate and fetch succeeded", {
       status: response.status,
     });
   } catch (error) {
-    console.warn("❌ valid certificate but fetch failed", error);
+    console.warn("❌ valid certificate but fetch failed - public keys expire, make sure they are up to date", error);
   }
 };
 
 const fetchInvalid = async () => {
   try {
     const response = await fetch("https://yahoo.com");
-    console.warn("❌ invalid certificated but fetch succeeded", {
+    console.warn("❌ invalid certificate but fetch succeeded", {
       status: response.status,
     });
   } catch (error) {

example/app.json

@@ -35,7 +35,7 @@
               "rFjc3wG7lTZe43zeYTvPq8k4xdDEutCmIhI5dn4oCeE="
             ],
             "google.com": [
-              "We74o5ME3USRtL6+B2UhXnwY9FR91QPJMYDtUNk6tEc=",
+              "2MXZa6jBZjmb6FYPT3yf4oZFB67aQGmsX4DQgddQ7XA=",
               "ylrexmVB/d9PHCARU9i0R9km/ahwuNpWaWXbpLyR7jQ="
             ]
           },

example/package.json

@@ -8,16 +8,16 @@
     "ios": "expo run:ios"
   },
   "dependencies": {
-    "expo": "50.0.0-preview.7",
-    "expo-splash-screen": "~0.26.1",
-    "expo-status-bar": "~1.11.1",
+    "expo": "^51.0.0",
+    "expo-splash-screen": "~0.27.7",
+    "expo-status-bar": "~1.12.1",
     "react": "18.2.0",
-    "react-native": "0.73.1"
+    "react-native": "0.74.5"
   },
   "devDependencies": {
-    "@babel/core": "^7.20.0",
-    "@types/react": "~18.2.45",
-    "typescript": "^5.1.3"
+    "@babel/core": "^7.24.0",
+    "@types/react": "~18.2.79",
+    "typescript": "~5.3.3"
   },
   "private": true,
   "expo": {