Bump org.jenkins-ci.plugins:copyartifact in /bom-weekly (#3386)

Bumps [org.jenkins-ci.plugins:copyartifact](https://github.com/jenkinsci/copyartifact-plugin) from 746.vd2a_674fb_4f6f to 749.vfb_dca_a_9b_6549.
- [Release notes](https://github.com/jenkinsci/copyartifact-plugin/releases)
- [Commits](https://github.com/jenkinsci/copyartifact-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:copyartifact
  dependency-type: direct:production
...

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

bom-weekly/pom.xml

@@ -595,7 +595,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>copyartifact</artifactId>
-        <version>746.vd2a_674fb_4f6f</version>
+        <version>749.vfb_dca_a_9b_6549</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>