deps: update dependency com.google.cloud:google-cloud-core to v1.95.4 (…

…#771)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-core](https://github.com/googleapis/java-core) | `1.95.3` -> `1.95.4` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.95.4/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.95.4/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.95.4/compatibility-slim/1.95.3)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.95.4/confidence-slim/1.95.3)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v1.95.4`](https://github.com/googleapis/java-core/blob/master/CHANGELOG.md#&#8203;1954-httpswwwgithubcomgoogleapisjava-corecomparev1953v1954-2021-06-25)

[Compare Source](https://github.com/googleapis/java-core/compare/v1.95.3...v1.95.4)

</details>

---

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samples/install-without-bom/pom.xml

@@ -36,7 +36,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>1.95.3</version>
+      <version>1.95.4</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>

samples/snapshot/pom.xml

@@ -35,7 +35,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>1.95.3</version>
+      <version>1.95.4</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>