explicitly add central repo, update slf4j version

Author: per

pom.xml

@@ -54,13 +54,13 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
-      <version>1.7.27</version>
+      <version>1.7.32</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-log4j12</artifactId>
-      <version>1.7.27</version>
+      <version>1.7.32</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
@@ -80,6 +80,15 @@
       <name>bedatadriven public repo</name>
       <url>https://nexus.bedatadriven.com/content/groups/public/</url>
     </repository>
+    <repository>
+      <id>central</id>
+      <name>Maven Central</name>
+      <layout>default</layout>
+      <url>https://repo1.maven.org/maven2</url>
+      <snapshots>
+        <enabled>false</enabled>
+      </snapshots>
+  </repository>
   </repositories>
   <pluginRepositories>
     <pluginRepository>
@@ -201,12 +210,12 @@
           <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.30</version>
+            <version>1.7.32</version>
           </dependency>
           <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>jcl-over-slf4j</artifactId>
-            <version>1.7.30</version>
+            <version>1.7.32</version>
           </dependency>
         </dependencies>
       </plugin>