Bump org.apache.maven.plugins:maven-checkstyle-plugin from 3.3.0 to 3.3.1 (#166)

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Author: dependabot[bot]

api/pom.xml

@@ -333,7 +333,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.3.1</version>
                 <dependencies>
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>

e2e-tests/pom.xml

@@ -129,7 +129,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-checkstyle-plugin</artifactId>
-                        <version>3.3.0</version>
+                        <version>3.3.1</version>
                         <dependencies>
                             <dependency>
                                 <groupId>com.puppycrawl.tools</groupId>