deps: update dependency com.google.cloud:google-cloud-monitoring to v3.40.0 (#2987)

* deps: update dependency com.google.cloud:google-cloud-monitoring to v3.40.0

* 🦉 Updates from OwlBot post-processor

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

---------

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

Author: renovate-bot

README.md

@@ -50,7 +50,7 @@ If you are using Maven without the 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:26.34.0')
+implementation platform('com.google.cloud:libraries-bom:26.35.0')
 
 implementation 'com.google.cloud:google-cloud-spanner'
 ```

samples/install-without-bom/pom.xml

@@ -24,7 +24,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <opencensus.version>0.31.1</opencensus.version>
     <trace.version>2.39.0</trace.version>
-    <cloudmonitoring.version>3.39.0</cloudmonitoring.version>
+    <cloudmonitoring.version>3.40.0</cloudmonitoring.version>
   </properties>
 
 

samples/snapshot/pom.xml

@@ -24,7 +24,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <opencensus.version>0.31.1</opencensus.version>
     <trace.version>2.39.0</trace.version>
-    <cloudmonitoring.version>3.39.0</cloudmonitoring.version>
+    <cloudmonitoring.version>3.40.0</cloudmonitoring.version>
   </properties>
 
   <dependencies>