Add Build Timestamp to the managed set (#4769)

Author: basil

bom-weekly/pom.xml

@@ -888,6 +888,11 @@
         <artifactId>build-timeout</artifactId>
         <version>1.37</version>
       </dependency>
+      <dependency>
+        <groupId>org.jenkins-ci.plugins</groupId>
+        <artifactId>build-timestamp</artifactId>
+        <version>1.1.0</version>
+      </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>build-user-vars-plugin</artifactId>

sample-plugin/pom.xml

@@ -795,6 +795,11 @@
       <artifactId>build-timeout</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.jenkins-ci.plugins</groupId>
+      <artifactId>build-timestamp</artifactId>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>build-user-vars-plugin</artifactId>