chore(deps): bump io.jenkins.plugins:custom-folder-icon in /bom-weekly (#4696)

Bumps [io.jenkins.plugins:custom-folder-icon](https://github.com/jenkinsci/custom-folder-icon-plugin) from 2.18 to 2.19.
- [Release notes](https://github.com/jenkinsci/custom-folder-icon-plugin/releases)
- [Commits](jenkinsci/custom-folder-icon-plugin@custom-folder-icon-2.18...custom-folder-icon-2.19)

---
updated-dependencies:
- dependency-name: io.jenkins.plugins:custom-folder-icon
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

@@ -296,7 +296,7 @@
       <dependency>
         <groupId>io.jenkins.plugins</groupId>
         <artifactId>custom-folder-icon</artifactId>
-        <version>2.18</version>
+        <version>2.19</version>
       </dependency>
       <dependency>
         <groupId>io.jenkins.plugins</groupId>