chore(deps): update dependency com.google.cloud:libraries-bom to v26.40.0 (#1327)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26.40.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: renovate-bot

samples/snippets/pom.xml

@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.39.0</version>
+        <version>26.40.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>