Update README.md

Author: MasayukiSuda

README.md

@@ -44,9 +44,9 @@ allprojects {
 Step 2. Add the dependency
 ```groovy
 dependencies {
-        implementation 'com.github.MasayukiSuda:GPUVideo-android:v0.1.1'
+        implementation 'com.github.MasayukiSuda:GPUVideo-android:v0.1.2'
         // if apply video filter on ExoPlayer video
-        implementation 'com.google.android.exoplayer:exoplayer-core:2.9.3'
+        implementation 'com.google.android.exoplayer:exoplayer-core:2.15.1'
 }
 ```