chore(main): release 2.28.1-SNAPSHOT (#2763)

🤖 I have created a release *beep* *boop*
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### Updating meta-information for bleeding-edge SNAPSHOT release.

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This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

Author: release-please[bot]

benchmark/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <artifactId>google-cloud-bigquery-parent</artifactId>
     <groupId>com.google.cloud</groupId>
-    <version>2.28.0</version><!-- {x-version-update:google-cloud-bigquery:current} -->
+    <version>2.28.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquery:current} -->
   </parent>
 
   <properties>

google-cloud-bigquery/pom.xml

@@ -3,15 +3,15 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquery</artifactId>
-  <version>2.28.0</version><!-- {x-version-update:google-cloud-bigquery:current} -->
+  <version>2.28.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquery:current} -->
   <packaging>jar</packaging>
   <name>BigQuery</name>
   <url>https://github.com/googleapis/java-bigquery</url>
   <description>BigQuery</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquery-parent</artifactId>
-    <version>2.28.0</version><!-- {x-version-update:google-cloud-bigquery:current} -->
+    <version>2.28.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquery:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-bigquery</site.installationModule>

pom.xml

@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquery-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.28.0</version><!-- {x-version-update:google-cloud-bigquery:current} -->
+  <version>2.28.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquery:current} -->
   <name>BigQuery Parent</name>
   <url>https://github.com/googleapis/java-bigquery</url>
   <description>
@@ -111,7 +111,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquery</artifactId>
-        <version>2.28.0</version><!-- {x-version-update:google-cloud-bigquery:current} -->
+        <version>2.28.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquery:current} -->
       </dependency>
 
       <dependency>

samples/snapshot/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigquery</artifactId>
-      <version>2.28.0</version>
+      <version>2.28.1-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>

versions.txt

@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-bigquery:2.28.0:2.28.0
+google-cloud-bigquery:2.28.0:2.28.1-SNAPSHOT