deps: update dependency com.google.cloud.tools:dependencies to v1.5.13 (#6046)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud.tools:dependencies](https://togithub.com/GoogleCloudPlatform/cloud-opensource-java/tree/master/dependencies) ([source](https://togithub.com/GoogleCloudPlatform/cloud-opensource-java)) | `1.5.12` -> `1.5.13` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud.tools:dependencies/1.5.13/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud.tools:dependencies/1.5.13/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud.tools:dependencies/1.5.13/compatibility-slim/1.5.12)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud.tools:dependencies/1.5.13/confidence-slim/1.5.12)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

tests/pom.xml

@@ -34,7 +34,7 @@
     <dependency>
       <groupId>com.google.cloud.tools</groupId>
       <artifactId>dependencies</artifactId>
-      <version>1.5.12</version>
+      <version>1.5.13</version>
     </dependency>
     <dependency>
       <groupId>com.google.truth</groupId>