chore: update READMEs to highlight 1.4.0 release

Author: jamesonwilliams

README.md

@@ -64,12 +64,12 @@ dependencies section:
 ```groovy
 dependencies {
     // Only specify modules that provide functionality your app will use
-    implementation 'com.amplifyframework:aws-analytics-pinpoint:1.3.2'
-    implementation 'com.amplifyframework:aws-api:1.3.2'
-    implementation 'com.amplifyframework:aws-auth-cognito:1.3.2'
-    implementation 'com.amplifyframework:aws-datastore:1.3.2'
-    implementation 'com.amplifyframework:aws-predictions:1.3.2'
-    implementation 'com.amplifyframework:aws-storage-s3:1.3.2'
+    implementation 'com.amplifyframework:aws-analytics-pinpoint:1.4.0'
+    implementation 'com.amplifyframework:aws-api:1.4.0'
+    implementation 'com.amplifyframework:aws-auth-cognito:1.4.0'
+    implementation 'com.amplifyframework:aws-datastore:1.4.0'
+    implementation 'com.amplifyframework:aws-predictions:1.4.0'
+    implementation 'com.amplifyframework:aws-storage-s3:1.4.0'
 }
 ```
 

rxbindings/README.md

@@ -24,7 +24,7 @@ library. In your module's `build.gradle`:
 ```gradle
 dependencies {
     // Add this line.
-    implementation 'com.amplifyframework:rxbindings:1.3.2'
+    implementation 'com.amplifyframework:rxbindings:1.4.0'
 }
 ```