Update dependency com.diffplug.spotless:spotless-maven-plugin to v3.2.1 (#1386)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

collector/pom.xml

@@ -99,7 +99,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <googleJavaFormat>

integration_test_suite/integration_tests/pom.xml

@@ -188,7 +188,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <palantirJavaFormat>

integration_test_suite/jmx_example_application/pom.xml

@@ -34,7 +34,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <palantirJavaFormat>

integration_test_suite/pom.xml

@@ -44,7 +44,7 @@
                 <plugin>
                     <groupId>com.diffplug.spotless</groupId>
                     <artifactId>spotless-maven-plugin</artifactId>
-                    <version>3.2.0</version>
+                    <version>3.2.1</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -60,7 +60,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <googleJavaFormat>

jmx_prometheus_common/pom.xml

@@ -84,7 +84,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <palantirJavaFormat>

jmx_prometheus_isolator_javaagent/pom.xml

@@ -106,7 +106,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <palantirJavaFormat>

jmx_prometheus_javaagent/pom.xml

@@ -68,7 +68,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <palantirJavaFormat>

jmx_prometheus_standalone/pom.xml

@@ -56,7 +56,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <palantirJavaFormat>

pom.xml

@@ -167,7 +167,7 @@
                 <plugin>
                     <groupId>com.diffplug.spotless</groupId>
                     <artifactId>spotless-maven-plugin</artifactId>
-                    <version>3.2.0</version>
+                    <version>3.2.1</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -233,7 +233,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>3.2.1</version>
                 <configuration>
                     <java>
                         <googleJavaFormat>