deps: update dependency com.google.cloud:google-cloud-shell-bom to v2.2.2 (#4602)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-shell-bom](https://togithub.com/googleapis/java-shell) | `2.2.1` -> `2.2.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shell-bom/2.2.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shell-bom/2.2.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shell-bom/2.2.2/compatibility-slim/2.2.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shell-bom/2.2.2/confidence-slim/2.2.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v2.2.2`](https://togithub.com/googleapis/java-shell/blob/HEAD/CHANGELOG.md#&#8203;222-httpsgithubcomgoogleapisjava-shellcomparev221v222-2022-07-01)

[Compare Source](https://togithub.com/googleapis/java-shell/compare/v2.2.1...v2.2.2)

##### Bug Fixes

-   update gapic-generator-java with mock service generation fixes ([#&#8203;209](https://togithub.com/googleapis/java-shell/issues/209)) ([f5cc96d](https://togithub.com/googleapis/java-shell/commit/f5cc96d8a053e09633c1a90dbac0e10e6f7df5fc))

</details>

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Author: renovate-bot

google-cloud-bom/pom.xml

@@ -758,7 +758,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shell-bom</artifactId>
-        <version>2.2.1</version>
+        <version>2.2.2</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>