[interactive_media_ads] Adds missing IMA plugin to issue template (#153510)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/16dae5b3bfa4c5953e84fa8c09ee02c91cef130c

DEPS

diff --git a/DEPS b/DEPS
index 85948f1..ecd3b84 100644
--- a/DEPS
+++ b/DEPS
@@ -284,7 +284,7 @@
 
   'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'fbf62c12c289b401390f39fbd3835f7a3373aa82',
 
-  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'b96adb1e97215b8657d5af24084558224afcee75',
+  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '16dae5b3bfa4c5953e84fa8c09ee02c91cef130c',
 
   'engine/src/flutter/third_party/depot_tools':
   Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '580b4ff3f5cd0dcaa2eacda28cefe0f45320e8f7',

commits.json

diff --git a/commits.json b/commits.json
index c413580..ecce845 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"a8fefc81188e57941a0599e7b3b811910797f306",
   "engine/src/flutter/third_party/dart":"fbf62c12c289b401390f39fbd3835f7a3373aa82",
-  "flutter":"b96adb1e97215b8657d5af24084558224afcee75"
+  "flutter":"16dae5b3bfa4c5953e84fa8c09ee02c91cef130c"
 }
\ No newline at end of file