Bump jul-to-slf4j from 1.7.28 to 1.7.29 (#208)

Bumps [jul-to-slf4j](https://github.com/qos-ch/slf4j) from 1.7.28 to 1.7.29.
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_1.7.28...v_1.7.29)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

pom.xml

@@ -74,7 +74,7 @@
         <junit.version>4.12</junit.version>
         <hamcrest.version>2.2</hamcrest.version>
         <mockito.version>3.1.0</mockito.version>
-        <slf4j.version>1.7.28</slf4j.version>
+        <slf4j.version>1.7.29</slf4j.version>
         <logback.version>1.2.3</logback.version>
         <maven-invoker.version>3.0.1</maven-invoker.version>