deps: update dependency com.google.cloud:google-cloud-trace to v2.73.0 (#2190)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-trace](https://redirect.github.com/googleapis/google-cloud-java) | `2.72.0` -> `2.73.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-trace/2.73.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-trace/2.73.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-trace/2.72.0/2.73.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-trace/2.72.0/2.73.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

pom.xml

@@ -216,7 +216,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-trace</artifactId>
-      <version>2.72.0</version>
+      <version>2.73.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>