chore(deps): bump io.opencensus:opencensus-api from 0.31.0 to 0.31.1 (#922)

Bumps [io.opencensus:opencensus-api](https://github.com/census-instrumentation/opencensus-java) from 0.31.0 to 0.31.1.
- [Release notes](https://github.com/census-instrumentation/opencensus-java/releases)
- [Changelog](https://github.com/census-instrumentation/opencensus-java/blob/master/CHANGELOG.md)
- [Commits](census-instrumentation/opencensus-java@v0.31.0...v0.31.1)

---
updated-dependencies:
- dependency-name: io.opencensus:opencensus-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

build.gradle

@@ -54,7 +54,7 @@ dependencies {
     compileOnly 'com.google.appengine:appengine-api-1.0-sdk:2.0.19'
     api 'com.squareup.okhttp3:okhttp:4.11.0'
     api 'com.google.code.gson:gson:2.10.1'
-    api 'io.opencensus:opencensus-api:0.31.0'
+    api 'io.opencensus:opencensus-api:0.31.1'
     implementation 'org.slf4j:slf4j-api:2.0.9'
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'com.squareup.okhttp3:mockwebserver:4.11.0'