chore(deps): update dependency com.google.protobuf:protobuf-java to v…

…3.21.9 (#1849)

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

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.protobuf:protobuf-java](https://developers.google.com/protocol-buffers/) ([source](https://togithub.com/protocolbuffers/protobuf)) | `3.21.7` -> `3.21.9` | [![age](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-java/3.21.9/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-java/3.21.9/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-java/3.21.9/compatibility-slim/3.21.7)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-java/3.21.9/confidence-slim/3.21.7)](https://docs.renovatebot.com/merge-confidence/) |

---

### ⚠ Dependency Lookup Warnings ⚠

Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.

---

### Release Notes

<details>
<summary>protocolbuffers/protobuf</summary>

### [`v3.21.9`](https://togithub.com/protocolbuffers/protobuf/compare/v3.21.8...v3.21.9)

[Compare Source](https://togithub.com/protocolbuffers/protobuf/compare/v3.21.8...v3.21.9)

### [`v3.21.8`](https://togithub.com/protocolbuffers/protobuf/compare/v3.21.7...v3.21.8)

[Compare Source](https://togithub.com/protocolbuffers/protobuf/compare/v3.21.7...v3.21.8)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - 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 [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/gax-java).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC4xLjUiLCJ1cGRhdGVkSW5WZXIiOiIzNC42LjEifQ==-->

dependencies.properties

@@ -23,7 +23,7 @@ version.gax_httpjson=0.104.4
 # Versions for dependencies which actual artifacts differ between Bazel and Gradle.
 # Gradle build depends on prebuilt maven artifacts, while Bazel build depends on Bazel workspaces
 # with the sources.
-version.com_google_protobuf=3.21.7
+version.com_google_protobuf=3.21.9
 version.google_java_format=1.15.0
 version.io_grpc=1.50.2