update plugin versions

.idea/checkstyle-idea.xml

@@ -4,7 +4,7 @@
     <option name="configuration">
       <map>
         <entry key="active-configuration" value="HTTP_URL:https://gitlab.gistools.geog.uni-heidelberg.de/giscience/big-data/ohsome/parent/raw/2.11/ohsome-codestyle/src/main/resources/checkstyle-google-ohsome.xml:ohsome Google Checks" />
-        <entry key="checkstyle-version" value="8.41.1" />
+        <entry key="checkstyle-version" value="8.44" />
         <entry key="copy-libs" value="false" />
         <entry key="location-0" value="BUNDLED:(bundled):Sun Checks" />
         <entry key="location-1" value="BUNDLED:(bundled):Google Checks" />

pom.xml

@@ -73,7 +73,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <jacoco.version>0.8.6</jacoco.version>
     <java.version>11</java.version>
-    <checkstyle.version>8.41.1</checkstyle.version>
+    <checkstyle.version>8.44</checkstyle.version>
     <gitcommitplugin.version>4.0.4</gitcommitplugin.version>
     <maven.version>3.6</maven.version>
     <mavencheckstyle.version>3.1.2</mavencheckstyle.version>
@@ -84,12 +84,12 @@
     <mavenpmd.version>3.14.0</mavenpmd.version>
     <mavensurefire.version>3.0.0-M5</mavensurefire.version>
     <nexusstagingmaven.version>1.6.8</nexusstagingmaven.version>
-    <pmd.version>6.34.0</pmd.version>
+    <pmd.version>6.36.0</pmd.version>
     <sonar.coverage.jacoco.xmlReportPaths>${project.build.directory}/site/jacoco/jacoco.xml</sonar.coverage.jacoco.xmlReportPaths>
     <sonar.host.url>https://sonarcloud.io</sonar.host.url>
     <sonar.organization>giscience</sonar.organization>
     <sonar.version>3.9.0.2155</sonar.version>
-    <spotbugs.version>4.2.3</spotbugs.version>
+    <spotbugs.version>4.3.0</spotbugs.version>
     <checkstyle-plugin.phase>verify</checkstyle-plugin.phase>
   </properties>