Prepare release 1.0.15 (#1193)

Author: aleksandar-apostolov

buildSrc/src/main/kotlin/io/getstream/video/android/Configuration.kt

@@ -6,11 +6,11 @@ object Configuration {
     const val minSdk = 24
     const val majorVersion = 1
     const val minorVersion = 0
-    const val patchVersion = 14
+    const val patchVersion = 15
     const val versionName = "$majorVersion.$minorVersion.$patchVersion"
-    const val versionCode = 38
+    const val versionCode = 39
     const val snapshotVersionName = "$majorVersion.$minorVersion.${patchVersion + 1}-SNAPSHOT"
     const val artifactGroup = "io.getstream"
-    const val streamVideoCallGooglePlayVersion = "1.1.7"
+    const val streamVideoCallGooglePlayVersion = "1.1.8"
     const val streamWebRtcVersionName = "1.1.1"
 }