build(deps): update dependency com.google.cloud:google-cloud-shared-config to v1.15.4 (#3742)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[com.google.cloud:google-cloud-shared-config](https://redirect.github.com/googleapis/java-shared-config)
| `1.15.1` -> `1.15.4` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-shared-config/1.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-shared-config/1.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-shared-config/1.15.1/1.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-shared-config/1.15.1/1.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>googleapis/java-shared-config
(com.google.cloud:google-cloud-shared-config)</summary>

###
[`v1.15.4`](https://redirect.github.com/googleapis/java-shared-config/blob/HEAD/CHANGELOG.md#1154-2025-04-15)

[Compare
Source](https://redirect.github.com/googleapis/java-shared-config/compare/v1.15.1...v1.15.4)

##### Bug Fixes

- Use recommended variable expansion syntax
([#&#8203;1016](https://redirect.github.com/googleapis/java-shared-config/issues/1016))
([6ff6dc4](https://redirect.github.com/googleapis/java-shared-config/commit/6ff6dc48b8d92604164da7c68e268476b5a16578))

</details>

---

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---

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---

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Author: renovate-bot

.cloudbuild/graalvm/cloudbuild-test-a-downstream-kms.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 options:
   machineType: 'E2_HIGHCPU_8'
   logging: CLOUD_LOGGING_ONLY

.cloudbuild/graalvm/cloudbuild-test-a-downstream-kmsinventory.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 options:
   machineType: 'E2_HIGHCPU_8'
   logging: CLOUD_LOGGING_ONLY

.cloudbuild/graalvm/cloudbuild-test-a.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.45.2-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 options:
   machineType: 'E2_HIGHCPU_8'
   logging: CLOUD_LOGGING_ONLY

.cloudbuild/graalvm/cloudbuild-test-b-downstream-kms.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 options:
   machineType: 'E2_HIGHCPU_8'
   logging: CLOUD_LOGGING_ONLY

.cloudbuild/graalvm/cloudbuild-test-b-downstream-kmsinventory.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 options:
   machineType: 'E2_HIGHCPU_8'
   logging: CLOUD_LOGGING_ONLY

.cloudbuild/graalvm/cloudbuild-test-b.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.45.2-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 options:
   machineType: 'E2_HIGHCPU_8'
   logging: CLOUD_LOGGING_ONLY

.cloudbuild/graalvm/cloudbuild.yaml

@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _SHARED_DEPENDENCIES_VERSION: '3.45.2-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
-  _JAVA_SHARED_CONFIG_VERSION: '1.15.1'
+  _JAVA_SHARED_CONFIG_VERSION: '1.15.4'
 steps:
   # GraalVM A build
   - name: gcr.io/cloud-builders/docker