chore: updates for appwrite 1.4.2

Author: christyjacob4

README.md

@@ -38,7 +38,7 @@ repositories {
 Next, add the dependency to your project's `build.gradle(.kts)` file:
 
 ```groovy
-implementation("io.appwrite:sdk-for-android:3.0.2")
+implementation("io.appwrite:sdk-for-android:4.0.0")
 ```
 
 ### Maven
@@ -49,7 +49,7 @@ Add this to your project's `pom.xml` file:
     <dependency>
         <groupId>io.appwrite</groupId>
         <artifactId>sdk-for-android</artifactId>
-        <version>3.0.2</version>
+        <version>4.0.0</version>
     </dependency>
 </dependencies>
 ```

library/src/main/java/io/appwrite/Client.kt

@@ -88,7 +88,7 @@ class Client @JvmOverloads constructor(
             "x-sdk-name" to "Android",
             "x-sdk-platform" to "client",
             "x-sdk-language" to "android",
-            "x-sdk-version" to "3.0.2",            
+            "x-sdk-version" to "4.0.0",            
             "x-appwrite-response-format" to "1.4.0"
         )
         config = mutableMapOf()