deps: update dependency io.grpc:grpc-stub to v1.44.0 (#270)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [io.grpc:grpc-stub](https://togithub.com/grpc/grpc-java) | `1.43.2` -> `1.44.0` | [![age](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.0/compatibility-slim/1.43.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/io.grpc:grpc-stub/1.44.0/confidence-slim/1.43.2)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v1.44.0`](https://togithub.com/grpc/grpc-java/releases/v1.44.0)

#### gRPC Java 1.44.0 Release Notes

Java 7 is no longer supported. This release uses Java 8 bytecode, except for grpc-context which remains on Java 7 bytecode. Users requiring Java 7 are encouraged to use the v1.41.x branch. See [gRFC P5](https://togithub.com/grpc/proposal/blob/master/P5-jdk-version-support.md#proposal). Android support remains API level 19+. If this is expected to cause undue hardship or community issues, please contact us via a GitHub issue or [[email protected]](https://groups.google.com/g/grpc-io).

Java 8 users pay note: per gRFC P5, gRPC may drop Java 8 support as soon as March this year. If this is expected to cause undue hardship or community issues, please contact us via a GitHub issue or [[email protected]](https://groups.google.com/g/grpc-io).

##### API Changes

-   Removed deprecated StreamInfo.transportAttrs ([#&#8203;8768](https://togithub.com/grpc/grpc-java/issues/8768))

##### Bug Fixes

-   core: fix a race condition when calling ManagedChannel#enterIdle() ([#&#8203;8761](https://togithub.com/grpc/grpc-java/issues/8761))
-   xds: rename `ring_hash` LB Policy to `ring_hash_experimental` to comply with gRPC [A42: xDS Ring Hash LB Policy](https://togithub.com/grpc/proposal/blob/master/A42-xds-ring-hash-lb-policy.md) ([#&#8203;8776](https://togithub.com/grpc/grpc-java/issues/8776))

##### Behavior Changes

-   Binder: Enclose all operations in BinderTransport even when an exception was thrown. ([#&#8203;8733](https://togithub.com/grpc/grpc-java/issues/8733))\*
-   Binder: Fix a bug that might cause memory leaks in binder. ([#&#8203;8728](https://togithub.com/grpc/grpc-java/issues/8728))

##### Dependencies

-   Upgraded Protobuf to 3.19.2 to avoid CVE-2021-22569. See the [protobuf advisory](https://togithub.com/protocolbuffers/protobuf/security/advisories/GHSA-wrvw-hg22-4m67)
-   Bump GSON to 2.8.9 ([#&#8203;8759](https://togithub.com/grpc/grpc-java/issues/8759))
-   Bump Netty to 4.1.72.Final and tcnative to 2.0.46.Final ([#&#8203;8780](https://togithub.com/grpc/grpc-java/issues/8780))

##### Acknowledgement

-   groakley@
-   apolcyn@
-   beatrausch@
-   danielnorberg@
-   jdcormie@

</details>

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Author: renovate-bot

grpc-google-iam-v1/build.gradle

@@ -18,7 +18,7 @@ repositories {
 }
 
 dependencies {
-  compile 'io.grpc:grpc-stub:1.43.2'
+  compile 'io.grpc:grpc-stub:1.44.0'
   compile 'io.grpc:grpc-protobuf:1.44.0'
   compile project(':proto-google-iam-v1')
 }