deps: update dependency com.google.errorprone:error_prone_annotations…

… to v2.16 (#1755)

[![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.errorprone:error_prone_annotations](https://errorprone.info) ([source](https://togithub.com/google/error-prone)) | `2.15.0` -> `2.16` | [![age](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.16/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.16/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.16/compatibility-slim/2.15.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.16/confidence-slim/2.15.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v2.16`](https://togithub.com/google/error-prone/releases/tag/v2.16)

[Compare Source](https://togithub.com/google/error-prone/compare/v2.15.0...v2.16)

New Checkers:

-   [`ASTHelpersSuggestions`](https://errorprone.info/bugpattern/ASTHelpersSuggestions)
-   [`CanIgnoreReturnValueSuggester`](https://errorprone.info/bugpattern/CanIgnoreReturnValueSuggester)
-   [`LenientFormatStringValidation`](https://errorprone.info/bugpattern/LenientFormatStringValidation)
-   [`UnnecessarilyUsedValue`](https://errorprone.info/bugpattern/UnnecessarilyUsedValue)

Fixed issues: [#&#8203;3092](https://togithub.com/google/error-prone/issues/3092), [#&#8203;3220](https://togithub.com/google/error-prone/issues/3220), [#&#8203;3225](https://togithub.com/google/error-prone/issues/3225), [#&#8203;3267](https://togithub.com/google/error-prone/issues/3267), [#&#8203;3441](https://togithub.com/google/error-prone/issues/3441)

**Full Changelog**: https://togithub.com/google/error-prone/compare/v2.15.0...v2.16.0

</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/google-http-java-client).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzMi4yMzIuMCIsInVwZGF0ZWRJblZlciI6IjMyLjIzOC40In0=-->

pom.xml

@@ -125,7 +125,7 @@
       <dependency>
         <groupId>com.google.errorprone</groupId>
         <artifactId>error_prone_annotations</artifactId>
-        <version>2.15.0</version>
+        <version>2.16</version>
       </dependency>
       <dependency>
         <groupId>com.google.appengine</groupId>