chore(deps): update dependency com.google.cloud:libraries-bom to v26 (#717)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26

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java-texttospeech/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>26.0.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -50,7 +50,7 @@ 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:25.4.0')
+implementation platform('com.google.cloud:libraries-bom:26.0.0')
 
 implementation 'com.google.cloud:google-cloud-texttospeech'
 ```

java-texttospeech/samples/snippets/pom.xml

@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>25.3.0</version>
+        <version>26.0.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>