bump dependency versions

Author: mtf90

pom.xml

@@ -217,20 +217,20 @@ limitations under the License.
 
         <!-- dependency versions -->
         <ap-commons.version>0.0.2</ap-commons.version>
-        <automatalib.version>0.9.0-SNAPSHOT</automatalib.version>
+        <automatalib.version>0.9.0</automatalib.version>
         <buildergen.version>0.1</buildergen.version>
         <cacio.version>1.9</cacio.version>
         <checkerframework.version>3.0.1</checkerframework.version>
         <checkstyle.version>8.19</checkstyle.version>
         <error-prone.version>9+181-r4173-1</error-prone.version> <!-- required by checkerframework, keep in sync -->
-        <guava.version>27.0-jre</guava.version>
+        <guava.version>28.2-jre</guava.version>
         <javapoet.version>1.11.1</javapoet.version>
         <jmockit.version>1.43</jmockit.version>
         <logback.version>1.2.3</logback.version>
         <metainf-services.version>1.8</metainf-services.version>
         <mockito.version>3.2.0</mockito.version>
-        <slf4j.version>1.7.25</slf4j.version>
-        <testng.version>7.0.0-beta3</testng.version>
+        <slf4j.version>1.7.30</slf4j.version>
+        <testng.version>7.1.0</testng.version>
 
         <!-- Javadoc links -->
         <java.apidocs>http://docs.oracle.com/javase/8/docs/api/</java.apidocs>