deps: update dependency org.slf4j:slf4j-api to v1.7.35 (#668)

Author: renovate-bot

pom.xml

@@ -18,7 +18,7 @@
     <easymock.version>4.3</easymock.version>
     <truth.version>1.1.3</truth.version>
     <logging.version>3.6.0</logging.version>
-    <slf4j.version>1.7.34</slf4j.version>
+    <slf4j.version>1.7.35</slf4j.version>
     <google.api-common.version>1.10.1</google.api-common.version>
   </properties>