Bump org.jenkins-ci.tools:maven-hpi-plugin from 3.55 to 3.56 (#975)

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

Author: dependabot[bot]

pom.xml

@@ -74,7 +74,7 @@
  <frontend-version>1.15.0</frontend-version>
  <gmavenplus-plugin.version>3.0.2</gmavenplus-plugin.version>
  <hamcrest.version>2.2</hamcrest.version>
- <hpi-plugin.version>3.55</hpi-plugin.version>
+ <hpi-plugin.version>3.56</hpi-plugin.version>
  <incrementals-enforce-minimum.version>1.0-beta-4</incrementals-enforce-minimum.version>
  <incrementals-plugin.version>1.8</incrementals-plugin.version>
  <jacoco-maven-plugin.version>0.8.12</jacoco-maven-plugin.version>