Bump org.jenkins-ci.plugins:ec2 in /bom-weekly (#3969)

Bumps [org.jenkins-ci.plugins:ec2](https://github.com/jenkinsci/ec2-plugin) from 1746.vff2f5a_25b_61a_ to 1751.v47818f82a_83d.
- [Release notes](https://github.com/jenkinsci/ec2-plugin/releases)
- [Changelog](https://github.com/jenkinsci/ec2-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/ec2-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:ec2
  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

@@ -735,7 +735,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>ec2</artifactId>
-        <version>1746.vff2f5a_25b_61a_</version>
+        <version>1751.v47818f82a_83d</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>