deps: update dependency com.google.cloud:google-cloud-trace to v2.1.3 (#1684)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-trace](https://togithub.com/googleapis/java-core) | `2.1.2` -> `2.1.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-trace/2.1.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-trace/2.1.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-trace/2.1.3/compatibility-slim/2.1.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-trace/2.1.3/confidence-slim/2.1.2)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-core</summary>

### [`v2.1.3`](https://togithub.com/googleapis/java-core/blob/HEAD/CHANGELOG.md#&#8203;213-httpswwwgithubcomgoogleapisjava-corecomparev212v213-2021-09-10)

[Compare Source](https://togithub.com/googleapis/java-core/compare/v2.1.2...v2.1.3)

</details>

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samples/install-without-bom/pom.xml

@@ -22,7 +22,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <opencensus.version>0.31.0</opencensus.version>
-    <trace.version>2.1.2</trace.version>
+    <trace.version>2.1.3</trace.version>
     <cloudmonitoring.version>3.2.3</cloudmonitoring.version>
   </properties>
 

samples/snapshot/pom.xml

@@ -22,7 +22,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <opencensus.version>0.31.0</opencensus.version>
-    <trace.version>2.1.2</trace.version>
+    <trace.version>2.1.3</trace.version>
     <cloudmonitoring.version>3.2.3</cloudmonitoring.version>
   </properties>