chore: update title

README.md

@@ -1,5 +1,5 @@
 ---
-title: Encrypted Photo Filtering App Using Homomorphic Encryption
+title: Encrypted Image Filtering Using Homomorphic Encryption
 emoji: 📸 🌄
 colorFrom: purple
 colorTo: purple

app.py

@@ -368,7 +368,7 @@ with demo:
         <p align="center">
             <img width=200 src="https://user-images.githubusercontent.com/5758427/197816413-d9cddad3-ba38-4793-847d-120975e1da11.png">
         </p>
-        <h1 align="center">Encrypted Photo Filtering App Using Homomorphic Encryption</h1>
+        <h1 align="center">Encrypted Image Filtering Using Homomorphic Encryption</h1>
         <p align="center">
             <a href="https://github.com/zama-ai/concrete-ml"> <img style="vertical-align: middle; display:inline-block; margin-right: 3px;" width=15 src="https://user-images.githubusercontent.com/5758427/197972109-faaaff3e-10e2-4ab6-80f5-7531f7cfb08f.png">Concrete-ML</a>
             —