deps: update dependency com.google.cloud:google-cloud-storage to v2.7…

….1 (#444)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-storage](https://togithub.com/googleapis/java-storage) | `2.6.1` -> `2.7.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-storage/2.7.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-storage/2.7.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-storage/2.7.1/compatibility-slim/2.6.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-storage/2.7.1/confidence-slim/2.6.1)](https://docs.renovatebot.com/merge-confidence/) |

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retail/interactive-tutorials/pom.xml

@@ -57,7 +57,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-storage</artifactId>
-      <version>2.6.1</version>
+      <version>2.7.1</version>
     </dependency>
     <dependency>
       <groupId>com.google.code.gson</groupId>