chore(deps): update dependency com.google.cloud:google-cloud-function…

…s to v2.5.3 (#499)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-functions](https://togithub.com/googleapis/java-functions) | `2.5.2` -> `2.5.4` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-functions/2.5.4/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-functions/2.5.4/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-functions/2.5.4/compatibility-slim/2.5.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-functions/2.5.4/confidence-slim/2.5.2)](https://docs.renovatebot.com/merge-confidence/) |

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java-functions/samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-functions</artifactId>
-      <version>2.5.2</version>
+      <version>2.5.3</version>
     </dependency>
     <!-- [END functions_install_without_bom] -->
 

java-functions/samples/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-functions</artifactId>
-      <version>2.5.2</version>
+      <version>2.5.3</version>
     </dependency>
   <!-- {x-version-update-end} -->
 

java-functions/samples/snippets/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-functions</artifactId>
-      <version>2.5.2</version>
+      <version>2.5.3</version>
     </dependency>
 
     <dependency>