gradle: Bump kotlin and dependencies version for Android 13

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>
diff --git a/app/build.gradle b/app/build.gradle
index d4134c8..1a4cfda 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,7 +43,7 @@
     }
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
-        languageVersion = "1.4"
+        languageVersion = "1.6"
     }
     testOptions {
         unitTests.all {