Fix dependencies for datastore parent version

Author: cindy-peng

.readme-partials.yaml

@@ -226,7 +226,7 @@ custom_content: |
   <dependency>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore</artifactId>
-    <version>2.20.0-grpc-experimental-1-SNAPSHOT</version>
+    <version>2.22.0-grpc-experimental-1-SNAPSHOT</version>
   </dependency>
   ```
   

google-cloud-datastore-utils/pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-utils</artifactId>
-    <version>2.20.0-grpc-experimental-1-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.22.0-grpc-experimental-1-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
     <packaging>jar</packaging>
     <name>Google Cloud Datastore Utilities</name>
     <url>https://github.com/googleapis/java-datastore</url>
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datastore-parent</artifactId>
-        <version>2.20.0-grpc-experimental-1-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+        <version>2.22.0-grpc-experimental-1-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
     </parent>
     <properties>
         <site.installationModule>google-cloud-datastore-utils</site.installationModule>

pom.xml

@@ -184,7 +184,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datastore-utils</artifactId>
-        <version>2.20.0-grpc-experimental-1-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore-utils:current} -->
+        <version>2.22.0-grpc-experimental-1-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore-utils:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud.datastore</groupId>