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

…s to v2.2.0

samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-functions</artifactId>
-      <version>2.1.1</version>
+      <version>2.2.0</version>
     </dependency>
     <!-- [END functions_install_without_bom] -->
 

samples/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-functions</artifactId>
-      <version>2.1.1</version>
+      <version>2.2.0</version>
     </dependency>
   <!-- {x-version-update-end} -->
 

samples/snippets/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-functions</artifactId>
-      <version>2.1.1</version>
+      <version>2.2.0</version>
     </dependency>
 
     <dependency>