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

… to v2.7.1 (#360)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| com.google.errorprone:error_prone_annotations | `2.6.0` -> `2.7.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.7.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.7.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.7.1/compatibility-slim/2.6.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.errorprone:error_prone_annotations/2.7.1/confidence-slim/2.6.0)](https://docs.renovatebot.com/merge-confidence/) |

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pom.xml

@@ -72,7 +72,7 @@
     <iam.version>1.0.13</iam.version>
     <opencensus.version>0.28.0</opencensus.version>
     <findbugs.version>3.0.2</findbugs.version>
-    <errorprone.version>2.6.0</errorprone.version>
+    <errorprone.version>2.7.1</errorprone.version>
     <jackson.version>2.12.3</jackson.version>
     <codec.version>1.15</codec.version>
   </properties>