Bump io.jenkins.tools.bom:bom-2.479.x (#317)

Author: dependabot[bot]

pom.xml

@@ -96,7 +96,7 @@ THE SOFTWARE.
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-${jenkins.baseline}.x</artifactId>
-        <version>4740.v75a_90f6fefb_7</version>
+        <version>4770.v9a_2b_7a_9d8b_7f</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>