Bump buildnumber-maven-plugin from 1.4 to 3.0.0

Bumps [buildnumber-maven-plugin](https://github.com/mojohaus/buildnumber-maven-plugin) from 1.4 to 3.0.0.
- [Release notes](https://github.com/mojohaus/buildnumber-maven-plugin/releases)
- [Commits](mojohaus/buildnumber-maven-plugin@buildnumber-maven-plugin-1.4...buildnumber-maven-plugin-3.0.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:buildnumber-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -77,7 +77,7 @@
     <spring-boot-maven-plugin.version>2.6.3</spring-boot-maven-plugin.version>
     <checksum.maven.plugin.version>1.11</checksum.maven.plugin.version>
     <maven.gpg.plugin.version>1.6</maven.gpg.plugin.version>
-    <buildnumber.plugin.version>1.4</buildnumber.plugin.version>
+    <buildnumber.plugin.version>3.0.0</buildnumber.plugin.version>
     <maven-resources-plugin.version>3.2.0</maven-resources-plugin.version>
     <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
     <maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>