deps: update dependency com.google.protobuf:protobuf-bom to v3.17.2 (g…

…oogleapis#465)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.protobuf:protobuf-bom](https://developers.google.com/protocol-buffers/) ([source](https://github.com/protocolbuffers/protobuf)) | `3.17.1` -> `3.17.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-bom/3.17.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-bom/3.17.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-bom/3.17.2/compatibility-slim/3.17.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.protobuf:protobuf-bom/3.17.2/confidence-slim/3.17.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v3.17.2`](https://github.com/protocolbuffers/protobuf/releases/v3.17.2)

[Compare Source](https://github.com/protocolbuffers/protobuf/compare/v3.17.1...v3.17.2)

****Kotlin****

-   Fix duplicate class error ([#&#8203;8653](https://github.com/protocolbuffers/protobuf/issues/8653))

****PHP****

-   Fixed SEGV in sub-message getters for well-known types when message is unset
    ([#&#8203;8670](https://github.com/protocolbuffers/protobuf/issues/8670))

</details>

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pom.xml

@@ -159,7 +159,7 @@
     <google.api.version>1.31.5</google.api.version>
     <google.http.version>1.39.2</google.http.version>
     <grpc.version>1.38.0</grpc.version>
-    <protobuf.version>3.17.1</protobuf.version>
+    <protobuf.version>3.17.2</protobuf.version>
     <opencensus.version>0.28.0</opencensus.version>
     <annotations-api.version>1.3.2</annotations-api.version>
     <guava.version>30.1.1-android</guava.version><!-- We are currently using the *-android version to support JDK7. -->