chore(deps): bump org.jenkins-ci.plugins:ec2 in /bom-weekly (#4468)

Bumps [org.jenkins-ci.plugins:ec2](https://github.com/jenkinsci/ec2-plugin) from 1856.vf40220e7a_75f to 1864.v6fc4480cb_8fb_.
- [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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

bom-weekly/pom.xml

@@ -1001,7 +1001,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>ec2</artifactId>
-        <version>1856.vf40220e7a_75f</version>
+        <version>1864.v6fc4480cb_8fb_</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>