Bump IMA SDK version to 3.30.3

PiperOrigin-RevId: 555130308
(cherry picked from commit 38eabdc9fc)

RELEASENOTES.md

@@ -30,6 +30,8 @@
         Previously indent and tab offset were included when limiting the cue
         length to 32 characters (which was technically correct by the spec)
         ([#11019](https://github.com/google/ExoPlayer/issues/11019)).
+*   IMA extension:
+    *   Bump IMA SDK version to 3.30.3.
 *   Session:
     *   Add custom layout to the state of the controller and provide a getter to
         access it. When the custom layout changes,

libraries/exoplayer_ima/build.gradle

@@ -20,7 +20,7 @@ android {
 }
 
 dependencies {
-    api 'com.google.ads.interactivemedia.v3:interactivemedia:3.29.0'
+    api 'com.google.ads.interactivemedia.v3:interactivemedia:3.30.3'
     implementation project(modulePrefix + 'lib-exoplayer')
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
     compileOnly 'com.google.errorprone:error_prone_annotations:' + errorProneVersion