chore(deps): update dependency com.google.cloud:libraries-bom to v25.4.0 (#764)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://cloud.google.com/java/docs/bom) ([source](https://togithub.com/GoogleCloudPlatform/cloud-opensource-java)) | `25.3.0` -> `25.4.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/25.4.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/25.4.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/25.4.0/compatibility-slim/25.3.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/25.4.0/confidence-slim/25.3.0)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

README.md

@@ -19,7 +19,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>25.3.0</version>
+      <version>25.4.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -49,20 +49,20 @@ If you are using Maven without BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:25.3.0')
+implementation platform('com.google.cloud:libraries-bom:25.4.0')
 
 implementation 'com.google.cloud:google-cloud-datastore'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-datastore:2.6.0'
+implementation 'com.google.cloud:google-cloud-datastore:2.7.0'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-datastore" % "2.6.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-datastore" % "2.7.0"
 ```
 
 ## Authentication

samples/native-image-sample/pom.xml

@@ -28,7 +28,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>25.3.0</version>
+        <version>25.4.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>

samples/snippets/pom.xml

@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>25.3.0</version>
+        <version>25.4.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>