deps: update dependency io.grpc:grpc-stub to v1.44.1 (#291)

[![WhiteSource Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [io.grpc:grpc-stub](https://togithub.com/grpc/grpc-java) | `1.44.0` -> `1.44.1` | [![age](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.1/compatibility-slim/1.44.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.1/confidence-slim/1.44.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>grpc/grpc-java</summary>

### [`v1.44.1`](https://togithub.com/grpc/grpc-java/releases/v1.44.1)

##### **Bug Fixes**

-   xds: fix the validation code to accept new-style CertificateProviderPluginInstance wherever used ([#&#8203;8901](https://togithub.com/grpc/grpc-java/issues/8901) fixes [#&#8203;8885](https://togithub.com/grpc/grpc-java/issues/8885))
-   binder: Fix a ServiceConnection leak ([#&#8203;8861](https://togithub.com/grpc/grpc-java/issues/8861) closes [#&#8203;8726](https://togithub.com/grpc/grpc-java/issues/8726))
-   android: fix for app coming to foreground ([#&#8203;8904](https://togithub.com/grpc/grpc-java/issues/8904) closes [#&#8203;8850](https://togithub.com/grpc/grpc-java/issues/8850))

</details>

---

### Configuration

📅 **Schedule**: At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/java-iam).

Author: renovate-bot

grpc-google-iam-v1/build.gradle

@@ -18,7 +18,7 @@ repositories {
 }
 
 dependencies {
-  compile 'io.grpc:grpc-stub:1.44.0'
+  compile 'io.grpc:grpc-stub:1.44.1'
   compile 'io.grpc:grpc-protobuf:1.44.1'
   compile project(':proto-google-iam-v1')
 }