[ios] Fix expo-notifications initial notification not being delivered… (

#285)

 to expo-notifications

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### Checklist
- [x] I've read the [Contribution Guidelines](https://github.com/expo/turtle/blob/master/CONTRIBUTING.md).
- [x] I've updated the [CHANGELOG](https://github.com/expo/turtle/blob/master/CHANGELOG.md) if necessary.
- [x] I've ensured the unit and smoke tests are still passing - either by running `yarn test:unit` and `yarn test:smoke:[ios|android]` or by checking the appropriate CircleCI builds' statuses.
- [x] **I've manually tested whether the changes I made work as expected.**

### Motivation and Context
Adds expo/expo@0e0bbdd and expo/expo@c49a046 fixing long-standing notifications bug.

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Changed
+
+- Updated SDK 40 iOS tarball to fix `expo-notifications` not emitting initial notification response.
+
 # [0.20.3] - 2020-12-10
 
 ### Fixed

shellTarballs/ios/sdk40

@@ -1 +1 @@
-s3://exp-artifacts/ios-shell-builder-sdk-latest-5a9fa62b9ba6a67e081281ebd1fbe57c3baa92b7.tar.gz
+s3://exp-artifacts/ios-shell-builder-sdk-latest-18350107fd109999f0ab5caabe45a4a92348da9d.tar.gz