deps: update dependency com.spotify.fmt:fmt-maven-plugin to v2.28 (#2203)

Author: renovate-bot

samples/spring-data-jdbc/googlesql/pom.xml

@@ -124,7 +124,7 @@
       <plugin>
         <groupId>com.spotify.fmt</groupId>
         <artifactId>fmt-maven-plugin</artifactId>
-        <version>2.27</version>
+        <version>2.28</version>
         <executions>
           <execution>
             <goals>

samples/spring-data-jdbc/postgresql/pom.xml

@@ -129,7 +129,7 @@
       <plugin>
         <groupId>com.spotify.fmt</groupId>
         <artifactId>fmt-maven-plugin</artifactId>
-        <version>2.27</version>
+        <version>2.28</version>
         <executions>
           <execution>
             <goals>

samples/spring-data-mybatis/googlesql/pom.xml

@@ -116,7 +116,7 @@
       <plugin>
         <groupId>com.spotify.fmt</groupId>
         <artifactId>fmt-maven-plugin</artifactId>
-        <version>2.27</version>
+        <version>2.28</version>
         <executions>
           <execution>
             <goals>

samples/spring-data-mybatis/postgresql/pom.xml

@@ -113,7 +113,7 @@
       <plugin>
         <groupId>com.spotify.fmt</groupId>
         <artifactId>fmt-maven-plugin</artifactId>
-        <version>2.27</version>
+        <version>2.28</version>
         <executions>
           <execution>
             <goals>