Update dependency org.jenkins-ci.plugins:plugin to v5.12 (#79)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -5,7 +5,7 @@
  <parent>
  <groupId>org.jenkins-ci.plugins</groupId>
  <artifactId>plugin</artifactId>
- <version>5.11</version>
+ <version>5.12</version>
  <relativePath />
  </parent>