Bump org.kiwiproject:kiwi-bom from 2.0.14 to 2.0.15 (#284)

Bumps [org.kiwiproject:kiwi-bom](https://github.com/kiwiproject/kiwi-bom) from 2.0.14 to 2.0.15.
- [Release notes](https://github.com/kiwiproject/kiwi-bom/releases)
- [Commits](kiwiproject/kiwi-bom@v2.0.14...v2.0.15)

---
updated-dependencies:
- dependency-name: org.kiwiproject:kiwi-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -29,7 +29,7 @@
     <properties>
         <!-- Versions for required dependencies -->
         <kiwi.version>4.4.0</kiwi.version>
-        <kiwi-bom.version>2.0.14</kiwi-bom.version>
+        <kiwi-bom.version>2.0.15</kiwi-bom.version>
         <metrics-healthchecks-severity.version>2.0.6</metrics-healthchecks-severity.version>
 
         <!-- Versions for test dependencies -->