Bump org.jenkins-ci.plugins:plugin from 5.7 to 5.9 (#249)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>5.7</version>
+        <version>5.9</version>
         <relativePath />
     </parent>
     <artifactId>durable-task</artifactId>

src/main/java/org/jenkinsci/plugins/durabletask/FileMonitoringTask.java

@@ -24,7 +24,6 @@
 
 package org.jenkinsci.plugins.durabletask;
 
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import hudson.EnvVars;
 import hudson.FilePath;
 import hudson.Launcher;
@@ -220,7 +219,6 @@ protected static FilePath requestBinary(FilePath ws, FileMonitoringController c)
      * Returns path of binary on agent. Copies binary to agent if it does not exist
      */
     @CheckForNull
-    @SuppressFBWarnings(value = {"NP_LOAD_OF_KNOWN_NULL_VALUE", "RCN_REDUNDANT_NULLCHECK_OF_NULL_VALUE"}, justification = "TODO needs triage")
     protected static FilePath requestBinary(FilePath nodeRoot, AgentInfo agentInfo, FilePath ws, FileMonitoringController c) throws IOException, InterruptedException {
         FilePath binary = null;
         if (agentInfo.isBinaryCompatible()) {