deps: update dependency com.google.errorprone:error_prone_core to v2.…

…15.0 (#810)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.errorprone:error_prone_core](https://errorprone.info) ([source](https://togithub.com/google/error-prone)) | `2.14.0` -> `2.15.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_core/2.15.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_core/2.15.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_core/2.15.0/compatibility-slim/2.14.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_core/2.15.0/confidence-slim/2.14.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>google/error-prone</summary>

### [`v2.15.0`](https://togithub.com/google/error-prone/releases/tag/v2.15.0)

[Compare Source](https://togithub.com/google/error-prone/compare/v2.14.0...v2.15.0)

New Checkers:

-   [`BuilderReturnThis`](https://errorprone.info/bugpattern/BuilderReturnThis)
-   [`CanIgnoreReturnValueSuggester`](https://errorprone.info/bugpattern/CanIgnoreReturnValueSuggester)
-   [`CannotMockFinalClass`](https://errorprone.info/bugpattern/CannotMockFinalClass)
-   [`CannotMockFinalMethod`](https://errorprone.info/bugpattern/CannotMockFinalMethod)
-   [`DirectInvocationOnMock`](https://errorprone.info/bugpattern/DirectInvocationOnMock)
-   [`ExtendsObject`](https://errorprone.info/bugpattern/ExtendsObject)
-   [`MockNotUsedInProduction`](https://errorprone.info/bugpattern/MockNotUsedInProduction)
-   [`NoCanIgnoreReturnValueOnClasses`](https://errorprone.info/bugpattern/NoCanIgnoreReturnValueOnClasses)
-   [`NullArgumentForNonNullParameter`](https://errorprone.info/bugpattern/NullArgumentForNonNullParameter)
-   [`SelfAlwaysReturnsThis`](https://errorprone.info/bugpattern/SelfAlwaysReturnsThis)
-   [`UnsafeWildcard`](https://errorprone.info/bugpattern/UnsafeWildcard)
-   [`UnusedTypeParameter`](https://errorprone.info/bugpattern/UnusedTypeParameter)

Fixed issues: [#&#8203;1562](https://togithub.com/google/error-prone/issues/1562), [#&#8203;3236](https://togithub.com/google/error-prone/issues/3236), [#&#8203;3245](https://togithub.com/google/error-prone/issues/3245), [#&#8203;3321](https://togithub.com/google/error-prone/issues/3321)

**Full Changelog**: google/error-prone@v2.14.0...v2.15.0

</details>

---

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---

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pom.xml

@@ -143,7 +143,7 @@
     <github.global.server>github</github.global.server>
     <site.installationModule>google-cloud-datastore-parent</site.installationModule>
     <project.javadoc.protobufBaseURL>https://googleapis.dev/java/google-api-grpc/latest</project.javadoc.protobufBaseURL>
-    <error-prone.version>2.14.0</error-prone.version>
+    <error-prone.version>2.15.0</error-prone.version>
   </properties>
 
   <dependencyManagement>